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4833877 |
Process for the reduction of pollutant emissions from power stations with combined gas/steam turbine processes with preceding coal gasification
Pollutant emissions produced during gas turbine power generation with a fuel gas from coal gasification are reduced by initially cooling the fuel gas to a temperature above the dewpoint but between...
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4831817 |
Combined gas-steam-turbine power plant
A combined steam-gas-turbine power plant includes a steam turbine and a first gas turbine drivingly connected to first and second electric generators. A second gas turbine is arranged for driving a...
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4825638 |
Method of and device for recovering heat energy of hot raw gas gererated a coal gasification arrangement of an electric energy generating plant
In an electric energy generating plant including a coal gasification arrangement and a combined gas turbine and steam combine, hot raw gas generated in the gasification arrangement is fed via a...
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4802445 |
Parallel staged fluidized bed combustor
A fluidized bed combustor including a combusting cell for generating flue gases and a gasifier cell for generating a low BTU combustible off-gas. The off-gas is discharged from the vessel and is...
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4794729 |
Gas reactant reservoirs for cyclic gas with solid reactors
Reactant gas reservoir systems are described for use in combination with solid with gas reaction plants using cyclic compression and expansion of the reactant gas. During compression reactant gases...
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4787579 |
Gas thruster
A thruster system has a main bipropellant propulsion unit including a propulsion engine (50) and bipropellant supply having a tank (3) for an oxidizing agent and a tank (4) for a fuel. An auxiliary...
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4785622 |
Integrated coal gasification plant and combined cycle system with air bleed and steam injection
An integrated coal gasification plant and combined cycle system employs a supply of compressed air bled off at an intermediate pressure from an air compressor portion of a gas turbine to supply the...
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4785621 |
Air bottoming cycle for coal gasification plant
In a coal gasification plant there is a requirement for supplying oxygen to the coal gasifier in order to produce coal gas fuel. An oxygen plant will produce oxygen and nitrogen from an input...
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4779412 |
Power generation process using a gas turbine
In a power generation process using a gas turbine for conversion of the energy of gas which is produced by the gasification of a fossil carbon-bearing material such as brown coal, the gas is...
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4756722 |
Device for gasifying coal
Part of the synthesis gas produced by coal gasification in an allothermically heated fluidized bed reactor is burned after removal of dust and sulfur and serves as a source of energy to heat the...
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4733528 |
Energy recovery
Energy is recovered from low calorific value gas by means of a gas turbine. Heat is recovered from the turbine exhaust by indirect heat exchange with water. The resultant hot water is used to...
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4732092 |
Pyrolysis and combustion apparatus
A system for pyrolysis and combustion of combustible solid material, such as waste, which comprises a pyrolysis chamber having a series of spaced vertically disposed movable grates, forming a...
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4729217 |
Combined gas/steam power station plant
In a combined gas/steam turbine power station plant with integrated coal gasification, the gas turbine combustion chamber and auxiliary firing in the exhaust heat steam generator are fired with...
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4723407 |
Combined gas and steam turbine power generating station
A combined gas and steam turbine power generating station includes: a gas turbine part having a gas turbine and a combustion chamber connected to the gas turbine; a coal gasifier being connected...
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4697413 |
Method of cooling partial oxidation gas containing finely divided impurities and used for combustion in a combined gas-steam turbine of a power plant
A method of cooling partial oxidation gas entraining finely divided impurities employs nitrogen obtained as a by-product in a low temperature air decomposing plant delivering oxygen into a gasifier...
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4698069 |
Cyclic gas with solid reaction plant
Reactant gas reservoir systems are described in combination with solid with gas reaction plants using cyclic compression and expansion of the reactant gas. During compression reactant gases are...
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4692171 |
Solid with gas reactor plant
A reactor plant is described comprising separate compressor and expander, and several reaction chambers. Solid reactant within each said reaction chamber is alternately compressed with reactant gas...
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4689949 |
Coal gasification composite power generator
A coal gasification composite power generator which comprises a coal pulverizer in which coal is finely pulverized, a means for transferring the finely pulverized coal while drying the finely...
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4677829 |
Method for increasing the efficiency of gas turbine generator systems using low BTU gaseous fuels
An improvement in a process for operating a gas turbine system containing a compression unit, a combustion unit and an expansion unit to operate a generator, wherein a low BTU gaseous fuel is used...
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4676063 |
Medium-load power generating station with an integrated coal gasification plant
Medium-load power generating station with an integrated coal gasification plant, a gas turbine power generating station part connected to the coal gasification plant, a steam power generating...
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4670023 |
Gas generator installation
A coal gasifier has a fluidized bed reactor. The gasifier has a series of cyclones connected to an outlet of the gasifier to clean the gas generated by the fluidized bed reactor to isolate...
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4667467 |
Method for energy conversion
A method for electric power production or cogeneration of electrical power and process heat and/or steam that integrates a solid carbonaceous fuel gasification system and gas turbine system. Fuel...
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4665688 |
Power generating station with an integrated coal gasification plant
Power generating plant with an integratd coal gasification plant, with a heat exchanger and gas purification plant connected to the coal gasifier, with a gas turbine and steam power generating...
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4651519 |
Combined gas-turbine plant preceded by a coal gasification plant
Combined gas turbine/steam turbine plant, in which the exhaust gas line of the gas turbine block containing an air compressor, combustion chamber, gas turbine and generator is connected on the...
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4638629 |
Process for electric power production using a biogas
Electric power is produced in an electric power generating combustion turbine using a biogas as fuel thereto, where a biogas, leaving a biomass gasification system at an elevated temperature of...
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4631915 |
Gas turbine and steam power-generating plant with integrated coal gasification plant
Gas turbine and steam power generating station with an integrated coal gasification plant which is supplied with oxygen via an air decomposition plant, with a methanol synthesis plant connected to...
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4608818 |
Medium-load power-generating plant with integrated coal gasification plant
Medium-load power generating plant with an integrated coal gasification plant, with a gas-turbine power generating plant part connected to the coal gasification plant, with a steam generating plant...
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4597257 |
Plant for preparing and hydrolyzing fossil fuels to prepare products low in sulfur content, and employment of these products for a combined generation of the electric current and gas
A plant for processing solid fossil fuels in which the fuel is crushed and is conveyed by flue gas to further processing stations. In the further stations, the fuel is desulfurized and hydrolyzed...
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4569194 |
Integrated coal-fired gas turbine power plant
An integrated coal-fired gas turbine power plant includes a hydraulic compressor for providing pressurized air to a coal combustion system and cooling air to the gas turbine. The power plant may...
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4566267 |
Power generating plant with an integrated coal gasification plant
Power generating station with an integrated coal gasification plant, with an air separation plant, a coal gasifier and a heat exchanger and dust removal plant connected to the coal gasifier, as...
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4546603 |
Coal gasification composite power generating plant
A coal gasification composite power generating plant has a coal gasification plant and a composite power generating plant. The coal gasification plant has a low-pressure steam generator for...
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4524581 |
Method for the production of variable amounts of power from syngas
A process for the production of variable amounts of electric power from a syngas feedstock is disclosed. The process captures, stores and releases carbon monoxide by forming and dissociating a...
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4509957 |
Cyclic char gasifier
A cyclic char gasifier process and apparatus are described wherein reactant gases are first compressed into the pores of a char fuel to react and then the reacted gases are expanded out of the char...
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4505795 |
Plasma method and apparatus for the production of compounds from gas mixtures, particularly useful for the production of nitric oxides from atmospheric air
A process and apparatus for the production of compounds from gas mixture by the plasma method, particularly useful for the production of nitric oxides from atmospheric air as a step in producing...
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4499722 |
High temperature gas turbine systems
High temperature gas turbine generation systems utilizing multiple heating stages between the primary compressor and expander, including coal based reactors and direct fired combustors.
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4489562 |
Method and apparatus for controlling a gasifier
Fuel and oxidant feed rates into a gasifier 202 are regulated by monitoring overall output 14 and comparing with a pre-selected setpoint valve 10. An overall load demand signal 50, responsive to...
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4488398 |
Power plant integrated with coal gasification
A power plant integrated with coal gasification includes an oxygen plant for separating oxygen from air and a coal gasification plant for producing a combustible gas by reaction of coal with a...
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4478039 |
Utilization of coal in a combined cycle powerplant
A method for producing power from coal in a combined cycle apparatus 10 is disclosed. A partial gasifier 22 is used to convert the coal into combustible fluids and combustible char. An auxiliary...
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4472936 |
Method and apparatus for controlling combustion of gasified fuel
In combustion of gasified fuel by gasifying a low quality fuel and combusting the gasified fuel in a combustor, combustion of gasified fuel is controlled by sampling the gasified fuel at a constant...
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4470255 |
Power generation plant
A recirculating fluidized bed furnace (FIG. 3) having a combustion chamber 4 operating at a fluidization velocity of 10 meters per second delivering combustion products to a separating section 10...
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4470254 |
Process and apparatus for coal combustion
The present invention provides two-stage and three-stage fluidized bed process embodiments for burning carbonaceous solids for the generation of heat to produce motive fluids for application in...
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4444007 |
Method for combined cycle electrical power generation
A method for combined cycle electrical power generation is disclosed wherein electrical power is generated by an electrical generator driven by a gas turbine, which is in turn driven by two gaseous...
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4442665 |
Coal gasification power generation plant
A combined cycle coal gasification power plant includes a coal gasifier which generates low BTU coal gas for consumption by a gas turbine. Before being applied to the gas turbine, the coal gas is...
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4387561 |
Utilization of coal powering a gas turbine engine
An apparatus 10 for consuming coal in powering a gas turbine engine 12 is disclosed. The apparatus includes an auxiliary combustor 16 and a partial gasifier 18. The gasifier 18 produces combustible...
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4387560 |
Utilization of coal in a combined cycle powerplant
A combined powerplant 10 employing a gas turbine engine cycle 12 and a steam turbine engine cycle 14 is disclosed. The powerplant includes a partial gasifier 22 and an auxiliary combustor 20. The...
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4368103 |
Coal carbonization and/or gasification plant
An improved plant for coal carbonization or gasification of the type having a vessel with reaction compartment, at least one burner at the top of the reaction compartment for the partial combustion...
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4353205 |
Primary zone air proportioner
An air proportioner is provided for a liquid hydrocarbon fueled gas turbine of the type which is convertible to oil gas fuel and to coal gas fuel. The turbine includes a shell for enclosing the...
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4345729 |
Thrust units
A thrust unit for a space vehicle has a container in which an electrolyte is electrolyzed to produce combustible gases (for example, water producing hydrogen and oxygen). At a predetermined...
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4341069 |
Method for generating power upon demand
Fuel for satisfying low, normal and high electric power generation requirements is obtained from coal in the form of syngas and dimethyl ether fired in turbine-compressor arrangements driving...
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4302217 |
Hydrogen supply system
A system for supplying hydrogen to an apparatus which utilizes hydrogen contains a metal hydride hydrogen supply component and a microcavity hydrogen storage hydrogen supply component which in...
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