| Patent Number |
Title Of Patent |
Date Issued |
| 5904138 |
Method for generating steam with concentrated solar radiation and solar apparatus therefor |
May 18, 1999 |
| The method for generating steam with concentrated solar radiation includes the step of heating an absorber by solar radiation and directing a stream of air through the absorber to produce a heated air. The heated air is guided through a heat storage device provided for compensating short |
| 5878676 |
Burner and furnace operated with at least one burner |
March 9, 1999 |
| A burner is provided for a furnace having at least one windbox that is supplied with air for combustion and has extending therethrough at least one such burner, which opens out toward the combustion chamber. The burner has at least one primary air channel, which is supplied from the outs |
| 5803937 |
Method of cooling a dust-laden raw gas from the gasification of a solid carbon-containing fuel |
September 8, 1998 |
| A process and system for cooling a dust-laden raw or untreated gas from the gasification of a solid carbon-containing fuel in a pressurized reactor. The gas from the reactor is introduced into a quench pipe that has a cross-sectional area that is smaller than the cross-sectional area of |
| 5715809 |
Receiver for converting concentrated solar radiation |
February 10, 1998 |
| A high-temperature receiver for converting concentrated solar radiation has a channel with an inlet and an outlet. An areal air-permeable support element is connected to the inlet. An absorber structure for absorbing solar radiation is supported by the support element and is made of an |
| 5597417 |
Method and apparatus for the percussive cleaning of objects |
January 28, 1997 |
| With a method and apparatus for the percussive cleaning of objects disposed in a chamber that is under process pressure, whereby an elongated percussive element is held below and in contact with the object that is to be cleaned and percussive energy is applied to the percussive element v |
| 5588400 |
Method of generating steam in a forced-through-flow boiler |
December 31, 1996 |
| A method and apparatus for generating steam in a forced-through-flow boiler. During operation, water is conveyed through a preheater, an evaporator and, if needed, a superheater. For such a boiler operated with waste heat, the evaporator is divided into at least two sections, a first |
| 5551358 |
Method of burning waste, especially PVC waste, comprised essentially of plastic |
September 3, 1996 |
| A method of burning waste comprised essentially of plastic, especially PVC waste. The waste is burned in a revolving cylindrical furnace accompanied by the addition to the waste of at least one finely ground solid additive having at least one component with a melting temperature higher t |
| 5483950 |
Solar device with an air receiver and air return |
January 16, 1996 |
| A solar device has an air receiver with a housing and an absorber connected within the housing. The absorber is heated by solar radiation. The absorber has an upstream side and a downstream side, wherein a stream of air is guided through the absorber from the upstream side to the dow |
| 5482110 |
Device for cooling a deposit-forming gas |
January 9, 1996 |
| A device for cooling a gas that forms deposits has an upright container through which the gas to be cooled flows. At least two heating surface units with at least one heating surface of a closed geometry are provided. The heating surface units are positioned within the upright container |
| 5212941 |
Method for operating a combined gas turbine/steam turbine process |
May 25, 1993 |
| In a method for operating a combination of a gas turbine process and a steam turbine process, in which the superimposed boosted gas turbine process is operated with compressed air and a combustible fluid, and the steam turbine process is operated via a fluidized bed furnace with a ca |
| 5094675 |
Process for removing dust from a dust-laden gas using a gas-permeable filter element arranged in |
March 10, 1992 |
| A method of removing dust from a dust-laden gas using gas-permeable filter elements that are disposed in tanks, with the gas flowing through the filter elements from the outside to the inside thereof and depositing dust on the outer surfaces thereof. Deposited dust is removed from the fi |
| 5082477 |
Separator for separating solids from an ascending, solids-laden gas stream |
January 21, 1992 |
| In known separators, some of the solids trapped in the trapping chutes may be prevented from being discharged at the wall due to by-pass currents at the lower end of the trapping chutes. To improve the discharge of the separated dust, the lower end of each trapping chute that is adjacent |
| 5051040 |
Fluidized bed combustion system that is controllable under pressure |
September 24, 1991 |
| A fluidized bed combustion system that can be operated or controlled under pressure is provided. To eliminate the erosion or abrasion to which heat exchangers located in a fluidized bed combustion chamber are subjected due to the flue dust contained in the flue gas, no thermal withdrawal |
| 5038856 |
Arrangement for the protection of tube sections of platen-like heat-transfer surfaces disposed i |
August 13, 1991 |
| An arrangement for the protection of tube sections of platen-like heat-transfer surfaces disposed in a gas conduit against wear by gases laden with solid particles. A wear-protection element can be withdrawn from the gas conduit, in the direction of the lengthwise direction thereof, |
| 5025755 |
Apparatus for burning carbonaceous material in a fluidized bed reactor |
June 25, 1991 |
| A method and apparatus for burning carbonaceous materials in a fluidized bed reactor comprising a bottom region and a top region, and containing a fluidized bed, with the heat of combustion being dissipated at least via wall cooling surfaces, and comprising a recirculation system, includ |
| 4909029 |
Firing equipment that can be operated under turbocharge |
March 20, 1990 |
| Firing equipment that can be operated under turbocharge for a steam generator, especially fluidized bed firing equipment that includes a turbocharged firing mechanism. At least two successively arranged air compressors are provided, including a first compressor that is driven by a fi |
| 4903755 |
Apparatus for preheating combustion air, accompanied by simultaneous reduction of NO.sub.x conta |
February 27, 1990 |
| An apparatus in the form of an air preheater for preheating air for combustion for a combustion process by acting upon the air with hot, NO.sub.x -containing flue gases from the same or an independent combustion process. At the same time, the NO.sub.x contained in the flue gases is r |
| 4891194 |
Method for scrubbing flue gases from a firing unit |
January 2, 1990 |
| A method and apparatus for scrubbing flue gases coming from a firing unit. After absorbent has been added to the firing unit and/or to the flue gases, the flue gases are divided into at least two partial streams, one of which is immediately conveyed to a dust separator, and the other of |
| 4850700 |
Method and apparatus for producing a coal/water mixture for combustion in a fluidized bed unit |
July 25, 1989 |
| A method and apparatus for producing a coal/water mixture for combustion in a fluidized bed unit. To produce a hydraulically transportable coal/water mixture, crushed raw coal is preliminarily mixed with water in a first stage. This mixture is final mixed in a second mixing stage. The fi |
| 4848248 |
Tuyere for the introduction of a reaction medium into a hot gas |
July 18, 1989 |
| The tuyere (3) is clamped in place with its inlet end by way of an integrally formed flange (4) in a flange connection (5) of a pipe adapter (6) attached to the wall (2) on the outside, and a pipe connection (7), the outlet end of this tuyere being freely extended through the wall (2) |
| 4841917 |
Radiation cooling unit for cooling dust-laden gases |
June 27, 1989 |
| A radiation cooling unit for cooling dust-laden gas. At least one cylindrical radiation heat transfer surface is disposed in a tank adjacent to, and extending essentially along the length of, an inner wall of the tank. First knock-or impact-beating devices disposed externally of the |
| 4818160 |
Machining device with a toolholder displaceable in three coordinates perpendicular to one anothe |
April 4, 1989 |
| A machining device includes a toolholder (24) displaceable in three coordinates (X, Y, Z) perpendicular with respect to one another by means of three linear guides (23, 15, 28) and associated drives (25, 19, 30) on a frame of the device. The device is characterized in that the frame (1, |
| 4810186 |
Apparatus for burning fuels while reducing the nitrogen oxide level |
March 7, 1989 |
| A method and firing equipment for burning solid, liquid, or gaseous fuels, especially pulverized coal. The method includes the steps of tangentially introducing main fuel via main burners into a combustion chamber, where the fuel is burned, introducing reducing fuel via reduction burners |
| 4803957 |
Gas/liquid heat exchanger |
February 14, 1989 |
| A gas/liquid heat exchanger. Process gases leaving the heat-transfer elements of a heat-transfer-surface unit are guided through the displacement body that is associated with that unit. Feed water is introduced into the displacement body at the lower end thereof. After countercurrent |
| 4790743 |
Method of reducing the nox-emissions during combustion of nitrogen-containing fuels |
December 13, 1988 |
| A method of reducing the NO.sub.x --emissions during combustion of nitrogen-containing fuels via burner units each including a primary burner and being arranged in a wall of a closed combustion chamber; fuel and air for combustion are supplied to the burner flame in stages as partial flo |
| 4782772 |
Method of directly removing sulfur, with flue dust being returned |
November 8, 1988 |
| A method of purifying flue gas from the firing equipment of a combustion unit, especially fuel gas from fitting equipment to which low-ash flue is supplied, or from a grating firing having a high degree of ash removal, with the flue gas containing noxious compounds. A finely divided or |
| 4773214 |
Firing equipment that can be operated under turbocharge |
September 27, 1988 |
| Firing equipment that can be operated under turbocharge, especially fluidized bed firing equipment for a steam generator. At least two successively arranged air compressors are provided, including a first compressor that is driven by a first turbine, which is disposed on a common sha |
| 4764063 |
Process and apparatus for machining the rim of a head |
August 16, 1988 |
| A portable apparatus including a four-legged support that is equipped with adjustable support bases. The apparatus also includes a centering mechanism that includes rotatable eccentric discs, and a modified rotating unit, the rotating arm of which is provided with an adjustment mechanism |
| 4755232 |
Method and apparatus for mechanically controlling the flame cutting and/or connection welding of |
July 5, 1988 |
| A method and apparatus for mechanically controlling the flame cutting and/or connection welding of workpieces. The difficulty encountered during the mechanized burning of holes in vessels, containers or tanks and the welding of connecting members into these holes is that the cutting and |
| 4748940 |
Steam generator having a circulating bed combustion system and method for controlling the steam |
June 7, 1988 |
| In case of a steam generator having a circulating atmospheric or pressurized fluidized-bed combustion system, normally a fluidized-bed combustor, at least one separator, at least one fluidized-bed cooler connected to said separator and adapted to be fed by a part stream of the solids |
| 4741290 |
Process for the combustion of carbonaceous materials in a circulating fluidized bed, and fluidiz |
May 3, 1988 |
| In a process and a fluidized bed furnace installation for performing the process for the combustion of carbonaceous materials in a fluidized bed reactor with an atmospheric or pressurized, circulating fluidized bed, wherein solids are circulated in a circulation system consisting of a |
| 4739826 |
Apparatus for preheating combustion air, accompanied by simultaneous reduction of NO.sub.x conta |
April 26, 1988 |
| An apparatus in the form of an air preheater for preheating air for combustion for a combustion process by acting upon the air with hot, NO.sub.x -containing flue gases from the same or an independent combustion process. At the same time, the NO.sub.x contained in the flue gases is r |
| 4739729 |
Coal-fired steam generator |
April 26, 1988 |
| A coal-fired steam generator that has a water-steam circulation and a low pressure-heat carrier-circulation which, via a heater that is disposed in the flue gas flow of the steam generator and that has at least one heat transfer surface, absorbs heat from the flue gas flow and conveys th |
| 4734110 |
Method and apparatus for removing solids from pressurized process system |
March 29, 1988 |
| A method and apparatus for removing solid material from a process system pressurized by a process gas, especially process gases having a high content of solid material. The method operates cyclically. In a first cycle, the solid material is separated, via filter cartridges of sintered |
| 4732210 |
Column-type regenerative gas-gas heat exchanger with heat-transferring elements |
March 22, 1988 |
| A regenerative gas-gas heat exchanger having a column type of construction, and heat transferring elements which absorb heat in a hot gas flow, give off heat in a cold gas flow, and are cyclically conveyed from one of the gas flows to the other. The heat transferring elements form a flui |
| 4731937 |
Process and apparatus for the dry sluicing of grit, slag or sediments from pressurized systems |
March 22, 1988 |
| A process for the dry sluicing of sediment from pressurized systems, such as gasification processes, in which gravitationally conveyed sediments are cooled to below their release temperature before removal. The sediments are cooled via indirect heat exchange, such as radiation cooling, t |
| 4730473 |
Method and apparatus for rolling tubes |
March 15, 1988 |
| A method and apparatus for rolling tubes into tube plates, especially heat exchangers, with a tube roller. Prior to the rolling process, the desired holding expansion value is set, and during the rolling process the holding expansion is measured. When the preset expansion value is reache |
| 4721065 |
Process and apparatus for cooling hot process gas from a pressure gasification reactor |
January 26, 1988 |
| In a process for cooling hot process gases from a pressure gasification reactor the hot process gas is passed through a heat exchange with water to produce saturated steam and then in countercurrent heat exchange with said saturated steam to generate superheated steam, production of |
| 4708093 |
Apparatus for drying and superheating steam |
November 24, 1987 |
| An apparatus for drying and superheating steam, especially for supplying steam to a turbine. The apparatus includes a horizontal cylindrical pressure tank that has at least one steam inlet, a water separator that is disposed in the lower portion of the pressure tank and extends essential |
| 4698014 |
Method and apparatus for the low-wear atomization of liquid highly viscous and/or suspended fuel |
October 6, 1987 |
| A method and apparatus for the combustion or gasification of highly viscous nd/or suspended fuel in a burner flame. The fuel is introduced, in a nozzle, and in the form of a continuous, thin, annular layer, into a stream of atomizing medium, with the aid of which the fuel is atomized. |
| 4694897 |
Heat exchanger for heat exchange between hot gas and medium flowing through tube bundles |
September 22, 1987 |
| A heat exchanger for heat exchange between a hot gas and a flowing medium that is conveyed in tube bundle heat transfer surfaces, especially a steam generator. The heat exchanger includes a pressure tank, the heat exchanger vessel in which are disposed tube bundles, and a hot gas conduit |
| 4694893 |
Unit for guiding the flow of cold gas in steam generators of high-temperature reactors |
September 22, 1987 |
| A unit for guiding the flow of cold gas from the annular chamber that is disposed between the pressure tank wall and the steam generator wall to the circulation fan of a steam generator of a high-temperature reactor, with hot gas being adapted to be supplied to the steam generator wall v |
| 4694782 |
Process and apparatus for producing high-pressure and superheated steam |
September 22, 1987 |
| With a process for producing high-pressure superheated steam via hot reaction gases of a gas generator, in which coal or carbon containing materials are gasified, the production of the high-pressure superheated steam is effected in the gas generator and in a waste heat system. The gas |
| 4683842 |
Apparatus for drying wet steam and subsequently superheating the dried steam |
August 4, 1987 |
| An apparatus for drying wet steam and subsequently superheating the dried steam. The apparatus includes a cylindrical tank, a separator that is disposed in the tank for receiving wet steam and removing water therefrom, and a superheater disposed in the tank for receiving dry steam from t |
| 4682991 |
Method and apparatus for scrubbing flue gas with flowable absorbing material pursuant to the air |
July 28, 1987 |
| A method and apparatus for scrubbing flue gas that is charged with noxious material. Scrubbing is accomplished via flowable absorption material in a gas-scrubbing unit having an atomizing device with at least one independent nozzle in which, pursuant to the air flow atomization princ |
| 4681746 |
Method of regulating the amount of reducing agent added during catalytic reduction of NO.sub.x c |
July 21, 1987 |
| A method of regulating the amount of reducing agent added, especially NH.sub.3 in the case of the catalytic reduction of NO.sub.x of flue gases which originate from a combustion installation which is fired with fossil fuels. The adjustment value for the quantity to be added is determined |
| 4674567 |
Device for mounting a conduit in an opening of a plate |
June 23, 1987 |
| A device for mounting a conduit in an opening of a plate, especially for mounting a heat-exchanger tube in a support plate of a high-temperature heat exchanger. The tube is mounted in the opening of the support plate via the interposition of at least one sleeve-like wear-protection eleme |
| 4669399 |
Method of reducing the NO.sub.x content in combustion gases |
June 2, 1987 |
| A method of reducing the NO.sub.x content in combustion gases by introducing secondary fuel, via a liquid carrier, into the combustion chamber at a location disposed between the supply of fuel and air for the primary combustion, and the supply of secondary air for the complete combus |
| 4644879 |
Method and annular burner for spraying aqueous additive suspension in the central portion of an |
February 24, 1987 |
| A method and annular burner for binding sulfur and other impurities during the combustion of fuels that contain such impurities. The fuel is burned in an annular burner flame that has an internal recirculation zone. An additive in the form of an aqueous suspension is sprayed into the |
| 4643747 |
Reaction gas cooler for low-energy plants |
February 17, 1987 |
| A reaction gas cooler, including a refractory lined gas inlet, a first stage in the form of a tube bundle heat exchanger through which gas flows, an intermediate chamber, and a second stage in the form of a tube bundle heat exchanger through which gas flows. The second stage has a double |
