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Document Title |
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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...
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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...
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6604491 |
Boiler apparatus
Disclosed is a boiler apparatus useful for the heating of living and working spaces. The disclosed boiler apparatus incorporates a burner element and controller element that cooperate to provide a...
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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...
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6173681 |
Liquid feed pre-heater
The present invention is drawn to a device for heating liquid feed for veal calves, although this device may have wider application. The present invention is a pre-heater system used to raise the...
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6095098 |
Computer controlled injection device for generating steam
A steam generation device comprising two cylinders, an inner and an outer cylinder, the inner cylinder forming a combustion chamber into which streams of air, water and fuel are released under...
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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...
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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...
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5398644 |
Temperature measurement at evaporator outlet
A method and a device for temperature measurement of the fluid at the outlet from an evaporator in a boiler of benson type, wherein the evaporator includes one or more inlet headers which are...
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5392739 |
Steam-raising system
A steam-raising system comprising a boiler, a pump connected by a flow passageway to the boiler to pump water thereto, and flow-control means connected to the flow passageway between the pump and...
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5209188 |
Fluid bed combustion reheat steam temperature control
A reheat steam temperature control system that utilizes the separate components of a reheater and a reheat heat exchanger to generate hot reheat steam. The reheater uses the fluidized bed as its...
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5103859 |
Float chamber
A valve for use in the float chamber of a boiling water unit. The valve consists of a body of circular horizontal cross section having a vertical outer wall. The inner portion of the valve body...
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4953508 |
Boiler for steam flatirons, incorporating an improved replenishment manifold
The boiler includes a tight receptacle having a replenishment manifold which opens into the receptacle at an intermediate level thereof so as to define a first replenishment level. The boiler also...
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4938173 |
Fluid system
A fluid system for example for steam raising comprising a flow control device (20), means (28) to supply a head of fluid to the flow control device (20), and at least one fluid using means such as...
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4878457 |
Zero flash closed condensate boiler feedwater system
A heat exchange system for steam returning from industrial processors to a pressurized receiver for return to a boiler with recovery of the thermal energy in the spent steam wherein the flow of...
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4823767 |
Apparatus for steaming food
The steamer comprises a first heating chamber (5) intended to generate wet steam from supplied water, and a second heating chamber (6) arranged between the first heating chamber (5) and the cooking...
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4802446 |
Safety device for subcritical pressure steam boilers
A safety device for subcritical natural and forced circulation boilers wherein the differential between downcomer fluid temperature and drum saturation temperature is measured and the trend of the...
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4582025 |
Liquid level detector
A liquid level detector for low pressure boilers. A boiler tank, from which apor, such as steam, normally exits via a main vent, is provided with a vertical side tube connected to the tank at the...
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4552099 |
Anticipatory boiler feedpump suction head controller system
Boiler feedpump net positive suction head (NPSH) control is performed in a heat recovery steam generator including a deaerator inserted between steam turbine condensate and steam boiler. To this...
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4541365 |
Method and apparatus for supplying feedwater to a forced flow boiler
An apparatus and method of supplying feedwater to a forced flow boiler or the like as described. A positive displacement pump having a plurality of discrete pumping elements is arranged to pump...
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4526136 |
Control system for fluid heated steam generator
A control system for controlling the location of the nucleate-boiling region in a fluid heated steam generator comprises means for measuring the temperature gradient (change in temperature per unit...
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4520762 |
Forced through-flow steam generator
An economizer is connected to the highest point of the evaporator by an evaporation pipe provided with a valve, in order to operate a forced flow-through steam generator at low costs. During...
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4497283 |
Boiler control
The control of the actual liquid level in a boiler is accomplished by using the flow rate of the fuel to the combustion system associated with the boiler to generate a signal which is utilized to...
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4457266 |
Boiler control
The control of the actual liquid level in a boiler is accomplished by using the actual enthalpy of the fluid in the boiler to generate a signal which is utilized to bias the output from a...
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4421158 |
Coolant recirculation system for dry cleaning plants
A coolant recirculating system permits water from a municipal source to be circulated continuously in a dry cleaning plant in order to perform necessary cooling and condensing operations. The water...
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4407353 |
Waste heat recovery device for preventing corrosion by sulfur oxides
In a boiler or an industrial furnace, a temperature detecting sensor is mounted at the heat absorbing side of a heat pipe of a waste heat recovery device which is disposed in part of the path of...
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4403575 |
Device for preventing flashing to steam in an economizer of a flow through steam generator
Device for preventing flashing to steam in an economizer of a flow-through steam generator wherein the economizer has heating surfaces disposed downstream of an evaporator and superheater surfaces...
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4320663 |
Control system and method for controlling a solar energy plant
A solar energy plant comprises a solar energy boiler having pre-heating, evaporation, and superheating stages, and a control system for maintaining constant the temperature and the volume of the...
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3240675 |
Control system for a steam generator receiving heat from a nuclear reactor
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3204629 |
Water heater
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3196844 |
Method and apparatus for controlling a forced flow steam generator
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3189008 |
Method and apparatus for controlling a vapor generator operating at supercritical pressure
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3092086 |
Feed-water control for forcedcirculation boilers
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3017869 |
Control system
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3004529 |
Method and apparatus for controlling fuel and/or feedwater flow in a oncethrough steam generator
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3004714 |
Heating system
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2997989 |
Liquid level control for boilers
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2834337 |
Water heating system
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2804851 |
Control system for a supercritical pressure boiler
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2800887 |
Control system for forced flow vapor generators
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