Class 122/459 - STEAM TREATMENT

Subclass of Class 122 - Liquid heaters and vaporizers
Definition: Apparatus and methods for treating steam or vapor, either
No. of patents: 30
Last issue date: 02/08/2011

Number	Title	Issue Date
7882809	Heat exchanger having a counterflow evaporator An evaporator including a lower drum, an upper drum, and at least one tube extending between the lower drum and the upper drum. The plurality of tubes have fluid passageways therein extending from the lower drum to the upper drum. A duct is provided having a heating...	02/08/2011
7878159	Steam generator and method of adjusting flow resistance of cooling water in steam generator In a steam generator, a flow resistance adjusting unit for a primary cooling water is provided in an inlet nozzle provided at an incoming water chamber or an outlet nozzle provided at an outgoing water chamber. ...	02/01/2011
7415942	Steam-heating apparatus In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving supply of heating steam and connected also to a condensate-recovering unit for discharging condensate produced as a result of heating...	08/26/2008
7316205	Steam-heating apparatus In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving a supply of heating steam and connected also to a condensate recovering unit for discharging condensate produced as a result of heati...	01/08/2008
7316204	Steam-heating apparatus In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving a supply of heating steam and connected also to a condensate recovering unit for discharging condensate produced as a result of heati...	01/08/2008
7228892	Heat exchanger device and a method for manufacturing the same Method and device for providing a plate heat exchanger (1) having a number of corrugated plates (2). Between the corrugated plates (2) first and second flow channels (7, 8) are arranged, which first flow channels (7), via first inl...	06/12/2007
7093566	Vapor generator A vapor generator comprising an evaporator unit, which in turn includes an inner chamber for containing a first fluid in a liquid state, and further includes a preheated liquid inlet and a vapor outlet, the evaporator unit having a heating device therein which can b...	08/22/2006
7089885	Steam-heating apparatus In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving supply of heating steam and connected also to a condensate recovering unit for discharging condensate produced as a result of heating...	08/15/2006
7017528	Steam-heating apparatus In a steam-heating apparatus in which a heating section formed in a heat exchanger is connected to a steam supply pipe for receiving supply of heating steam and connected also to a condensate recovering unit for discharging condensate produced as a result of heating...	03/28/2006
6886502	Method for controlling steam generators A method of controlling the feedwater flow to the secondary side of a steam generator in a pressurized water nuclear reactor monitors various process variables such as the feedwater and the steam flows and pressures around the secondary side of the steam generator a...	05/03/2005
6810837	Apparatus and methods for controlling flow in BWR steam dryers A flow control apparatus for a boiling water nuclear reactor steam dryer is provided. The steam dryer includes at least one discharge plenum. In an exemplary embodiment, the flow control apparatus includes a support member, an elongate perforated plate member couple...	11/02/2004
6739288	Steam heating device In a steam-heating apparatus in which a heating section (2) formed in a heat exchanger (1) is connected to a steam supply pipe (3) for receiving supply of heating steam and connected also to a condensate recovering unit (6) for dischargin...	05/25/2004
6499440	Fossil-fired steam generator A steam generator has a combustion chamber which is configured for an approximately horizontal main direction of flow of the fuel gas and which is followed on the fuel-gas side, via a horizontal gas flue, by a vertical gas flue. The containment walls of t...	12/31/2002
6474272	Apparatus for condensation of steam Apparatus for the condensation of steam, includes a substructure, a fan supported by the substructure and a plurality of self-supported tube bundles which are arranged in a roof-shaped manner in opposing relationship with respect to a vertical center long...	11/05/2002
6457441	Superheated steam apparatus This invention provides a superheated steam apparatus that is cable of efficiently heating water to generate superheated steam, and to perform a process such as sterilization utilizing this superheated steam while keeping the loss of heating energy to a m...	10/01/2002
6446584	Fossil-fuel-fired steam generator A steam generator has an especially simple structural concept of a combustion chamber for a predetermined output range and for various qualities of different fossil fuels. The steam generator includes a first combustion chamber and a second combustion cha...	09/10/2002
5791300	Steam generator parallel back end using pendant primary superheater and baffle wall with gas-tight header vestibule A steam generator parallel back end arrangement divides a flue gas flow into a plurality of paths in the steam generator housing. A pendant primary superheater is located in the housing near the top of the housing and a baffle wall having tubes therethrou...	08/11/1998
5724922	Low-temperature steam generator A low-temperature steam generating device comprises a pressure reducing unit 2 that lowers the pressure of steam to below atmospheric pressure by means of a vacuum pressure reducing valve 3 and a cooling unit 4 that changes steam with reduced pressure int...	03/10/1998
5605118	Method and system for reheat temperature control A method and system for controlling reheater steam temperature is disclosed. The method can be carried out by selectively adjusting the flow of superheated steam into a superheater positioned between two reheater sections in the convection pass of a carbo...	02/25/1997
5385121	Steam desuperheater A desuperheater is disclosed which employs an acceleration orifice within a steam conduit to increase the velocity of steam flowing therethrough, creating a region of low pressure steam. A nozzle having an enclosed elliptical discharge orifice sprays smal...	01/31/1995
4942847	Generation and accumulation of steam A procedure and apparatus for generating steam for an autoclave or an equivalent device, so that the load of the autoclave or device can be equalized. Thermal energy is stored in water under pressure which is converted when needed into steam which, in tur...	07/24/1990
4915169	Method for controlling the pH of steam fluids using heterocyclic, multifunctional, nitrogen-containing compounds The present invention relates to an improved method for controlling pH in the liquid and vapor phases of wet steam having such phases formed in a steam generation system from feedwater having therein at least one carbonate species which in the presence of...	04/10/1990
4871023	Method for controlling the pH of steam fluids A method for controlling pH in the liquid and vapor phases of wet steam having such phases formed in a steam generator system from feedwater having therein at least one carbonate species which in the presence of steam forms a vapor phase component tending...	10/03/1989
4524728	Steam condensing apparatus An apparatus for condensing steam is disclosed herein. This apparatus includes a group of individually removable modules, each of which uses a series of spaced-apart confronting plates to define passageways for the steam to be condensed and ammonia which ...	06/25/1985
4470961	Utilization of impure steam and recovery of deuterium therefrom Certain impure steams, especially those from geothermal sources, are polluted with hydrogen sulfide, ammonia, carbon dioxide, other gases, and finely divided particulate solid matter in a form resembling dust or smoke. These contaminants reduce the effici...	09/11/1984
4438730	Process for the generation of steam The inventive combination provides for a profitable and efficient utilization of low-pressure waste heat in conjunction with medium-pressure steam. The combination of mechanical and thermodynamic compression for the generation of superheated low-pressure ...	03/27/1984
4242305	Apparatus for controlling emissions of hydrogen sulfide from a system utilizing geothermal steam Certain impure steams, especially those from geothermal sources, are polluted with hydrogen sulfide, ammonia, carbon dioxide, other gases, and finely divided particulate solid matter in a form resembling dust or smoke. These contaminants reduce the effici...	12/30/1980
4202864	Process for controlling environmental pollution from steam containing hydrogen sulfide Certain impure steams, especially those from geothermal sources, are polluted with hydrogen sulfide, ammonia, carbon dioxide, other gases, and finely divided particulate solid matter in a form resembling dust or smoke. These contaminants reduce the effici...	05/13/1980
4123506	Utilization of impure steam contaminated with hydrogen sulfide Certain impure streams, especially those from geothermal sources, are polluted with hydrogen sulfide, ammonia, carbon dioxide, other gases, and finely divided particulate solid matter in a form resembling dust or smoke. These contaminants reduce the effic...	10/31/1978
4084080	Towel heater and dispenser An apparatus for the heating, moistening and holding cosmetic towels or the like is disclosed herein having a box-like support into which a water tray is placed. Legs are carried underneath the tray for holding the tray in spaced relationship with respect...	04/11/1978

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Class 122/459 - STEAM TREATMENT