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