| Patents for F22D 1 - Feed-water heaters, e.g. preheaters (2,641) |
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| 09/01/2005 | WO2005080258A1 Integrated fuel processor for distributed hydrogen production |
| 08/24/2005 | CN2720265Y Small hot-wind burning-assisting dust-collecting boiler |
| 08/18/2005 | US20050178063 Improved system efficiency by transferring heat from a reformate flow downstream from a water-gas shift to both a combustor feed flow supplied to a combustor and a water flow that is supplied to a reformer feed mix for a steam reformer; avoiding extremely high metal temperatures; fuel cells for cars |
| 08/10/2005 | EP1561500A1 Device for spraying water and catalytic conversion of gas contained therein |
| 07/27/2005 | CN2713304Y Built-in deaerator |
| 07/27/2005 | CN2713303Y Helical tube counter flow type boiler afterheat energy saver |
| 06/23/2005 | DE102004059358A1 Method for output of heat to achieve high power plant efficiency entails preheating condensate from turbine's waste steam condenser and then feeding it at higher temperature to additional heat exchangers |
| 06/15/2005 | CN2704753Y Non-pressure effective steaming furances |
| 05/26/2005 | US20050109495 Complex flow-path heat exchanger having U-shaped tube and cantilever combined coil |
| 05/25/2005 | CN1620578A Feedwater heater |
| 04/27/2005 | CN1609509A New technique for preheating boiler water filling device by solar energy |
| 03/30/2005 | CN2689057Y Corrosion-proof self-preheating coal savers |
| 03/29/2005 | CA2157976C Enhanced heat exchanger flue gas treatment using steam injection |
| 02/23/2005 | CN1584393A Steaming boiler tail-gas utilizing method, apparatus and environmental protective steaming boiler |
| 01/26/2005 | CN2674293Y Low-position heat energy recoverer |
| 01/13/2005 | WO2005003628A1 Reheat/regenerative type thermal power plant using rankine cycle |
| 12/14/2004 | US6830654 Method and device for treating water for evaporation |
| 11/17/2004 | CN2656817Y Water-stealing-preventing oxygen-removing dirt-removing device for heating system |
| 11/10/2004 | CN2655043Y Bubble deoxygenation type hot well device |
| 11/10/2004 | CN1544873A Complex flow heat exchanger with U-pipe and cantilever combination coil pipe |
| 11/09/2004 | US6813888 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 10/20/2004 | EP1468222A1 Feedwater heater |
| 10/20/2004 | CN2649953Y De-aerization hot-water station DCS control device |
| 10/20/2004 | CN2649952Y De-aerization heater |
| 10/20/2004 | CN1538041A Steam turbine equipment |
| 10/07/2004 | US20040194735 Blowdown heat recovery |
| 09/30/2004 | DE10311784A1 Diaphragm seal for high pressure preheaters in steam plants, has copper gasket that is fillet welded to female thread of mains such that feed water is received by copper gasket before female thread |
| 09/29/2004 | CN2644899Y Condensing coal economizer |
| 09/22/2004 | CN2643172Y An energy-saving and gas-saving apparatus for natural gas boiler |
| 09/16/2004 | US20040177614 Steam turbine plant |
| 09/15/2004 | CN2641473Y Non-head, low position and built-in type thermol oxygen remover |
| 09/08/2004 | CN1165717C 锅炉 Boiler |
| 08/11/2004 | CN2632496Y Hot oxygen eliminating, pressure regulating and capacity enlarging apparatus |
| 08/11/2004 | CN1161557C Feed water heating system for power generating plant |
| 07/28/2004 | CN1159556C Heat supply device capable of recovering and using steam latent heat in fuel gas, fuel oil boiler flue gas |
| 07/15/2004 | DE19834196B4 Speisewasser-Heizsystem für eine Dampfturbine Feed water heating system for a steam turbine |
| 07/14/2004 | CN2625727Y Water vapour energy source recovering and utilizing device |
| 07/14/2004 | CN2625726Y Water vapour energy source recovering and utilizing device |
| 06/30/2004 | CN2622558Y Heat-exchange system for coal-saving device |
| 06/16/2004 | EP1429074A1 System and method for feeding water for steam turbine plant |
| 05/27/2004 | US20040098987 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 03/31/2004 | EP1402153A1 Method and arrangement for producing electrical energy at a pulp mill |
| 03/31/2004 | CN2608840Y Cast-iron square pipe finned coal-saving device |
| 03/18/2004 | US20040050051 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 03/03/2004 | CN1140751C Heat supply device of recoverying aqueous vapour latent heat in fuel gas of gas, oil-burning boiler |
| 01/14/2004 | CN1134609C Feed-water heater |
| 11/27/2003 | WO2002057600A8 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 11/26/2003 | CN2588203Y Energy saving device for gas and oil fuel boiler |
| 11/18/2003 | US6647726 Method and arrangement for producing electrical energy at a pulp mill |
| 11/05/2003 | CN1126908C Method and apparatus for controlling the bed temperature in a circulating fluidized bed reactor |
| 10/29/2003 | CN1125947C High energy saving waste heat exchanger |
| 10/15/2003 | CN2580302Y Automatic stirring salt dissolving device for large boiler |
| 09/24/2003 | EP1346134A1 Intergration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 09/24/2003 | EP1346133A1 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 09/24/2003 | CN2575111Y Circulating charging sheet apparatus for vacuum coating film machine |
| 08/27/2003 | CN2568630Y Fully automatic softening integrated deaerator |
| 08/26/2003 | US6609482 Method in a soda recovery boiler, and a soda recovery boiler |
| 08/20/2003 | CN2567468Y Lower energy-saving vacuum de-aeration equipment |
| 08/13/2003 | CN1435592A Deoxygenating scale-inhibitor and producing process thereof |
| 08/06/2003 | CN2564869Y Residual steam recovering energy-saving aid for steam boiler |
| 07/31/2003 | WO2003062704A1 Feedwater heater |
| 07/23/2003 | CN1115512C Multi-strage mixture heater |
| 06/25/2003 | CN2557808Y Low position installed wide output thermal de-aeration device |
| 05/21/2003 | CN2551868Y Exhausting cooler |
| 04/30/2003 | CN1414288A Heat supply device capable of recovering aqueous vapour in fuel gas, fuel oil boiler flue gas |
| 04/30/2003 | CN1414287A Heat supply device capable of recovering aqueous vapour latent heat in fuel gas, fuel oil boiler flue gas |
| 04/16/2003 | CN1105866C Efficient corrosion-resisting heat pipe type coal saver |
| 03/12/2003 | EP0826096B2 Process and device for degassing a condensate |
| 02/19/2003 | CN2536906Y Vertical liquid fuel and gas boiler |
| 01/21/2003 | US6508206 Feed water heater |
| 01/15/2003 | CN2531244Y Steam afterheat recoverer |
| 12/26/2002 | US20020194849 Method and arrangement for producing electrical energy at a pulp mill |
| 12/19/2002 | US20020189553 Method in a soda recovery boiler, and a soda recovery boiler |
| 12/18/2002 | EP1266182A1 A device and a method for transferring heat and use thereof |
| 12/18/2002 | CN2526680Y Backheating loop thermodynamic cycle device |
| 12/05/2002 | WO2002097243A1 Method and arrangement for producing electrical energy at a pulp mill |
| 10/29/2002 | US6471489 Supersonic 4-way self-compensating fluid entrainment device |
| 10/23/2002 | CN2517967Y Flow regulatable spiral membrane tube deaerator |
| 10/16/2002 | CN2516821Y Self-control atmospheric thermal de-aeration device |
| 09/18/2002 | CN1091235C Compound phase change heat exchanger |
| 08/28/2002 | CN2508110Y Steam injection boiler flue gas waste heat recovering device for oil field |
| 08/08/2002 | DE10047691C1 Verfahren und Vorrichtung zur fein geregelten Abscheidung von Gasen aus Kesselspeisewasser Method and apparatus for finely controlled deposition of gases from boiler feed water |
| 08/06/2002 | US6427724 Apparatus for conserving thermal energy in a central heating system |
| 08/06/2002 | US6427636 Method and plant for heating a liquid medium |
| 07/25/2002 | WO2002057600A1 Integration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 07/18/2002 | WO2002055846A1 Intergration construction between a boiler and a steam turbine and method in preheating of the supply water for a steam turbine and in its control |
| 07/04/2002 | US20020083903 Method and plant for heating a liquid medium |
| 06/12/2002 | CN2494924Y De-aeration softening one-step treatment apparatus for feed-water |
| 06/11/2002 | US6401667 Method and plant for heating a liquid medium |
| 05/22/2002 | CN2492752Y Efficient low heat deaerator |
| 04/24/2002 | EP1056975B1 Heat exchange system |
| 04/16/2002 | US6371161 Apparatus for conserving thermal energy in a central heating system |
| 03/27/2002 | CN2483606Y Externally placed feed water preheating device for waste heat boiler |
| 03/20/2002 | CN1340676A Water supply heater |
| 01/30/2002 | CN2474903Y Air bubble scrubbing type normal temperature sponge iron deaerator |
| 12/19/2001 | CN2466514Y De-aeration water tank steam (gas) seal device |
| 12/12/2001 | EP1075627B1 Steam generator system operation |
| 12/12/2001 | CN1076076C Process and device for degassing condensate |
| 11/21/2001 | CN2460863Y Internal-type and saver device for boiler |
| 11/21/2001 | CN1322916A Vapor condensating heat recovering and utilizing method and equipment |