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| Number | Title | Issue Date |
| 7314024 | Steam generator comprising an emergency feed water device The steam generator (1) comprises a first normal feed water device (8) and a second emergency feed water device (16) of the steam generator, comprising, respectively, a first toroidal header (10) and a second toroidal header (17) a... | 01/01/2008 |
| 7146937 | Combustion chamber design with water injection for direct-fired steam generator and for being cooled by the water A direct-fired steam generator body defines a combustion chamber and having an exhaust outlet. A mixing chamber is provided for receiving the exhaust gases from the combustion chamber. A flange joint between an elbow forming part of the mixing chamber and the end of... | 12/12/2006 |
| 7120218 | Method for calibrating steam generator water level measurement A method is provided for determining and controlling feed water level in a steam generator of a nuclear power plant, whereby the water level sensor is calibrated in terms of the pressure drop across structural components in the feed water path. The water level diffe... | 10/10/2006 |
| 7028994 | Pressure blast pre-filming spray nozzle Disclosed is a nozzle assembly having a nozzle housing and a valve element axially slidable therewithin between a closed and an open position. The nozzle housing has a housing inlet and a housing outlet fluidly interconnected by a plurality of housing passages. The ... | 04/18/2006 |
| 6886501 | Apparatus and process for heating steam An apparatus for heating steam formed from cooling water in a heat exchanger for hot gas, having a super heater arranged in the heat exchanger vessel, a process for heating steam performed in such an apparatus, and a process for gasification of a hydrocarbonaceous f... | 05/03/2005 |
| 6840199 | Process for heating system A process for heating steam, in which steam is obtained by indirect heat exchange between liquid water and a hot gas; (b) the steam obtained in step (a) is heated by indirect heat exchange with the partly cooled hot gas obtained in step (a); and (c) additional water... | 01/11/2005 |
| 6746001 | Desuperheater nozzle An improved nozzle assembly for spraying cooling water into superheated steam flowing through a steam pipe of a steam desuperheater includes a nozzle housing, a nozzle barrel, a valve element, and at least one valve spring. A nozzle barrel disposed within the nozzle... | 06/08/2004 |
| 6311647 | Method and device for controlling the temperature at the outlet of a steam superheater After the economizer, an injection water pipe branches off the connecting pipe between economizer and evaporator in order to control the steam temperature. The injection water pipe is provided with a control device for controlling the injection water flow... | 11/06/2001 |
| 5559293 | Steam generation system mass and feedwater control system In a steam generator or boiler of the type having a pressure vessel having a zone in which heated water and steam can be separated, an outlet for the flow of pressurized steam and an outlet for the flow of liquid, a riser section in which fluid passes for... | 09/24/1996 |
| 5406915 | Steam generation system mass and feedwater control system In a steam generator or boiler of the type having a pressure vessel having a zone in which heated water and steam can be separated, an outlet for the flow of pressurized steam and an outlet for the flow of liquid, a riser section in which fluid passes for... | 04/18/1995 |
| 5249551 | Steam generation system mass and feedwater control system In a steam generator or boiler of the type having a pressure vessel having a zone in which heated water and steam can be separated, an outlet for the flow of pressurized steam and an outlet for the flow of liquid, a riser section in which fluid passes for... | 10/05/1993 |
| 5240651 | Adiabatic modulator proportioning refrigeration controller desuperheater The invention relates to a close-coupled hot gas bypass, system for a proportioning refrigeration controller that controls the refrigeration capacity within the pressurized system. This is accomplished through the use of a hot gas bypass line and a liquid... | 08/31/1993 |
| 4989551 | Water diffusion plate for injecting water into steam In a steam generation system in which cold water is introduced into steam as an incident of equipment start-up, condensation shock is substantially reduced by having a diffusion plate in a generator discharge line leading to the steam conduit. The diffusi... | 02/05/1991 |
| 4759315 | Deaerator tray for a steam boiler feedwater heater system A tray stack for a boiler feedwater deaerator is provided with a plurality of horizontally spaced troughs arranged in vertically spaced and staggered tiers. Each of the troughs has a generally V-shaped bottom and a pair of outwardly-extending, inclined wa... | 07/26/1988 |
| 4697550 | Device for cooling a reactor A device for cooling a reactor positioned in a vessel. The vessel comprises a water space and a steam space. Cooling pipes that convey evaporating water extend through the reactor. The pipes communicate outside the reactor with the water space at the inta... | 10/06/1987 |
| 4421069 | Desuperheater spray liner assembly A spray liner assembly supported in a pressurized desuperheater header of a steam boiler. The liner is cylindrical shaped and open at each end, and is attached and axially retained at one end to the cylindrical header inner wall by multiple adjustable bra... | 12/20/1983 |
| 4419302 | Steam generator This invention relates to a steam generator for evaporating from a vaporizing portion (17) thereof a liquid (12) sucked up by means of a liquid sucking-up member (10) to provide a steam generator which is capable of vaporizing a liquid efficiently in a sh... | 12/06/1983 |
| 4292259 | Arrangement for sucking-off gases Arrangement for sucking-off gases, creating by means of water supplied to an annular nozzle surrounding the outlet of a gas conduit and forming a first hydraulic pump with a vortex, thereby mixing the gas and water thoroughly and sucking off the mixture b... | 09/29/1981 |
| 4289114 | Control system for a solar steam generator A once-through solar steam generator assembly (16) is controlled by a control system wherein the outlet temperature of superheated steam from two independent boiler flow paths (1-12; 1'-12') is independently controlled to a common set point by a combinati... | 09/15/1981 |
| 4288393 | Direct contact condenser A direct contact condenser is arranged to establish sequential steam flows of downward, lateral, and tortuous but collectively upward directions in a housing. Cooling liquid fed to the condenser is introduced to first overflow means for temporarily accumu... | 09/08/1981 |
| 4278619 | Steam throttle valve The steam throttle valve has a number of water injection ducts distributed around the valve axis within a thin-walled hollow member which extends around the valve axis. A thin-walled water supply duct in a bore in the valve casing cover supplies water to ... | 07/14/1981 |
| 4271791 | Rapid response steam generator II A rapid response steam generator wherein steam pressure is generated by moving fluid in contact with preheated metal in a heat exchanger having vertical grooves surrounding a downwardly expanding central passage, the passage having an obturator urged upwa... | 06/09/1981 |
| 4241701 | Method and apparatus for controlling steam temperature at a boiler outlet Boiler outlet temperature in a sliding pressure operation is controlled in a routine way by varying the fluid or heat distribution in the boiler. The effect a change in pressure has on steam temperature is anticipated by supplying a feedforward signal to ... | 12/30/1980 |
| 4130611 | Attemperator An attemperator in the form of a steam desuperheater is disclosed herein and comprises a water tube adapted to be connected to a source of water under high pressure and a spray tube communicating with the water tube through a flow-control device for contr... | 12/19/1978 |
| 4071586 | Variable orifice desuperheater An automatically regulated variable orifice desuperheater valve is disclosed which includes improved constructional features providing for a more compact installation then heretofore, one which is more reliable in operation and which is at the same time m... | 01/31/1978 |
| 4031863 | Process and a control system for controlling the exit temperature of vapor flowing through a contact heating surface of a vapor generator Measurements of the instantaneous flow of heat delivered to the vapor generator and the quantity of vapor flowing momentarily through the contact heating surface are made and the resultant signals are compared by subtraction or division to obtain a compar... | 06/28/1977 |
| 4011287 | Steam conditioning valve A steam conditioning valve having a multi-turn labyrinth disk stack mounted between the inlet and the outlet of the valve is provided with a cooling fluid spray assembly for injecting the cooling fluid into the valve upstream of the labyrinth. The spray a... | 03/08/1977 |
| 3951198 | Apparatus and method for recovering pure water from natural sources and industrial polluted waste sources Apparatus and method for purifying industrial waste gases, and during the process of purifying the waste gases, a solution of polluted water is obtained which is subsequently passed through additional associated apparatus in order to recover comparatively... | 04/20/1976 |
| 3931371 | Attemperator An upright type spray attemperator for regulating the temperature of upwardly flowing superheated vapor and comprising a vessel fitted with an inner sleeve having a side outlet at the upper end thereof and containing a deflector adjacent the outlet to col... | 01/06/1976 |
