| Patents for F22D 1 - Feed-water heaters, e.g. preheaters (2,641) |
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| 11/18/1998 | CN2297632Y High efficiency film-type deaerator |
| 10/14/1998 | CN1195753A Heating method for deaeration reaction agent in desorption deaerator |
| 09/23/1998 | CN2292217Y Vacuum deoxygen device for boiler water feeding |
| 09/01/1998 | US5799481 Method of operating a gas-turbine group combined with a waste-heat steam generator and a steam consumer |
| 08/25/1998 | US5797447 Heat recovery system |
| 08/20/1998 | WO1998036217A1 Coal-fired steam power plant |
| 08/11/1998 | US5791147 Power plant performance management systems and methods |
| 08/04/1998 | US5787844 Recovery boiler |
| 07/15/1998 | CN2286286Y Waste heat recovery water heater |
| 07/07/1998 | US5775266 Steam generator |
| 06/23/1998 | US5769156 For recovering heat energy from hot gas flowing through |
| 06/16/1998 | US5766320 Integral deaerator for a heat pipe steam condenser |
| 06/10/1998 | CN2283796Y Water-supply preheater for high-efficiency energy-saving boiler |
| 06/03/1998 | CN1183825A Process and device for degassing condensate |
| 05/20/1998 | EP0842688A1 Integral deaerator for a condenser |
| 04/16/1998 | WO1998015776A1 Preheater unit for a steam turbine system |
| 04/15/1998 | CN2278858Y Thermal or vacuum low-level deaerator |
| 04/09/1998 | DE4244969A1 Arrangement for using exhaust heat from boiler of coal-fired power station for preheating boiler feed water and primary air |
| 03/04/1998 | EP0826096A1 Process and device for degassing a condensate |
| 12/11/1997 | DE19623902A1 Method for raising power station efficiency |
| 11/18/1997 | US5687674 Steam power plant for generating electric power |
| 10/07/1997 | US5673634 Arranged in gas flow line following reduction stage for nitrogen oxides and in front of flue dust collector |
| 09/18/1997 | WO1997034107A1 Heat recovery system |
| 09/18/1997 | CA2239878A1 Heat recovery system |
| 08/14/1997 | WO1997013959A3 Feed-water preheater |
| 07/16/1997 | EP0639254B1 Method in small-power plant use |
| 07/02/1997 | CN1153266A Deaerating system for integrated deaerator |
| 06/11/1997 | EP0778397A2 Method of operating a combined power plant with a waste heat boiler and a steam user |
| 05/14/1997 | EP0773348A1 Process and apparatus for heating the main condensate in a power plant |
| 05/14/1997 | EP0745206A4 Method and apparatus for controlling the bed temperature in a circulating fluidized bed reactor |
| 05/06/1997 | US5626102 Heat recovery system for a boiler and a boiler provided therewith |
| 04/17/1997 | WO1997013959A2 Feed-water preheater |
| 02/04/1997 | US5599382 Enhanced heat exchanger flue gas treatment using steam injection |
| 02/04/1997 | CA2097924C Bottom or wall structure for a metallurgical vessel |
| 01/22/1997 | CN1141073A Method and apparatus for controlling the bed temperature in a circulating fluidized bed reactor |
| 01/22/1997 | CN1140818A Chen's steam-water mixture heater |
| 01/21/1997 | US5595063 Device and method for degassing make-up water for a steam turbine process |
| 01/15/1997 | EP0753701A1 Boiler with denitrification apparatus |
| 01/13/1997 | CA2179002A1 Boiler |
| 12/25/1996 | CN2243598Y Multi-media condenser |
| 12/04/1996 | EP0745807A1 Steam boiler |
| 12/04/1996 | EP0745206A1 Method and apparatus for controlling the bed temperature in a circulating fluidized bed reactor |
| 11/21/1996 | WO1996036792A1 Process and device for degassing a condensate |
| 11/20/1996 | CN1136152A Energy-saving oxygen remover by heating |
| 10/23/1996 | EP0688239B1 Process and device for utilizing the energy of flue gasses from coal-fired power stations |
| 10/22/1996 | US5567215 Enhanced heat exchanger flue gas treatment using steam injection |
| 10/16/1996 | EP0737260A1 Economizer of a recovery boiler |
| 10/16/1996 | EP0643816B1 Process and device for regulating the flue gas temperature at the outlet of a steam generator |
| 10/02/1996 | EP0735317A1 Heat exchanger |
| 10/01/1996 | US5560209 Arrangement for improving efficiency of a power plant |
| 09/18/1996 | CN2235552Y Device for thermal de-aeration of feed-water |
| 08/21/1996 | CN2233506Y Energy-saving thermal deoxidizing device |
| 08/21/1996 | CN1129301A Gas-temp. tracing coal-consumption instrument for boiler |
| 08/07/1996 | EP0724683A1 Integration construction between a steam boiler and a steam turbine and method in preheating of the supply water for a steam turbine |
| 07/31/1996 | EP0724079A1 Steam injector |
| 07/17/1996 | CN2231367Y Combined condensation waste heat recovery device |
| 07/10/1996 | CN1126296A Separating and vacuum degassing unit for boiler water |
| 06/12/1996 | CN2229034Y Water cast iron pipe heat dump |
| 04/24/1996 | CN2225601Y Enamel tube preheater |
| 03/27/1996 | EP0702996A2 Heat-exchanger flue gas treatment using steam injection |
| 03/21/1996 | DE19503506A1 Heat and=or liq. vol. utiliser from steam generator gas and liq. flows |
| 03/07/1996 | DE4431156A1 Exhaust gas heat recovery process for coal=fired steam generator |
| 02/07/1996 | CN2219427Y Hot-dust scouring-resisting coal-saver |
| 01/24/1996 | CN2218304Y Low noise and energy saving vacuum oxygen remover |
| 01/04/1996 | DE4441324C1 Heat utilisation system in coal=fired steam generator flue |
| 01/03/1996 | EP0689660A1 Flue-gas ducts and recuperative heat-exchangers for flue gases |
| 12/27/1995 | EP0688239A1 Process and device for utilizing the energy of flue gasses from coal-fired power stations |
| 12/20/1995 | CN2215664Y Double-curtain type thermal oxygen removing device |
| 12/07/1995 | DE4419553A1 Steam=heated pre=warmer for air |
| 11/28/1995 | US5469705 Heat recovery in a liquid ring pump seal liquid chiller system |
| 11/14/1995 | US5465943 Bottom or wall structure for a metallurgical vessel |
| 10/11/1995 | EP0676587A1 Method for optimizing the operating efficiency of a fossil fuel-fired power generation system |
| 09/20/1995 | CN1108745A Utilization system of exhausted smoke waste heat in steam heat-recovering dynamic circulation |
| 09/13/1995 | EP0671585A1 Process and apparatus for degassing of the make-up water of a steam turbine process |
| 08/30/1995 | EP0668982A1 Incineration plant |
| 08/30/1995 | CN2206405Y Energy-saving dust remover for industrial boiler |
| 08/24/1995 | WO1995022720A1 Plant for purifying pollutant-contaminated outgoing air |
| 08/24/1995 | WO1995022717A1 Method and apparatus for controlling the bed temperature in a circulating fluidized bed reactor |
| 08/24/1995 | DE4404297A1 Power generation process for power stations |
| 08/16/1995 | CN1106911A Arrangement for raising effectiveness of power station or like |
| 08/09/1995 | CN2204917Y Heat exchanger with dust remover |
| 08/08/1995 | US5440668 Electrode boiler with automatic drain control responsive to measured electrode current |
| 08/02/1995 | CN1029423C Heating power deoxidation device |
| 07/12/1995 | CN2203403Y Mixing pipe type desorption deoxygenating device on low-level injector |
| 07/06/1995 | WO1995018263A1 Economizer of a recovery boiler |
| 07/06/1995 | CA2180244A1 Economizer of a recovery boiler |
| 07/05/1995 | CN2202844Y Cooker type water heater |
| 07/05/1995 | CN1104755A Method and apparatus for using of waste heat of smoke from heat-engine plant |
| 07/05/1995 | CN1104551A Degasifying apparatus |
| 06/28/1995 | CN2202248Y Double-hearth atmospheric hot-water boiler |
| 06/14/1995 | EP0657687A1 System for improving the efficiency of a power plant or the like |
| 06/13/1995 | US5423272 Method for optimizing the operating efficiency of a fossil fuel-fired power generation system |
| 06/07/1995 | CN2200111Y Horizontal double-chamber atmospheric hot water boiler |
| 05/31/1995 | CN2199432Y Combined heating reaction type desorption deoxidating apparatus |
| 05/31/1995 | CN2199431Y Flue waste-heat energy-saver |
| 05/30/1995 | US5419285 In a natural circulation boiler |
| 05/24/1995 | CN2198510Y Centripetal louver board spray disk oxygen removing device |
| 05/17/1995 | CN2197572Y Smokeless coal saver |
| 04/27/1995 | WO1995011370A1 Integration construction between a steam boiler and a steam turbine and method in preheating of the supply water for a steam turbine |
| 04/20/1995 | DE4342156C1 Arrangement for improving the efficiency of a power station (generating station) or the like |