Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 8171893 | Oxygen-producing oxycombustion boiler The boiler of the invention has a circulating fluidized bed, uses solid fuels and the oxygen obtained by high temperature oxygen production membranes, and is characterized in that the membranes are placed in the bed. These membranes are, for example, of the OTM (Oxy... | 05/08/2012 |
| 8161917 | Low bed pressure drop circulating fluidized bed boiler and combustion process A method, system and apparatus for a low bed pressure drop circulating fluidized bed (CFB) boiler associated with fast bed CFB combustion are disclosed. The CFB boiler may be operated according to the following set of conditions. In an upper area of a combustor of t... | 04/24/2012 |
| 8069825 | Circulating fluidized bed boiler having improved reactant utilization A method of operating a furnace having a circulating fluidized bed is described. Fuel is combusted in the fluidized bed. The fluidized bed includes a dense bed portion and a lower furnace portion adjacent to the dense bed portion. Reactant is injected in the furnace... | 12/06/2011 |
| 8069824 | Circulating fluidized bed boiler and method of operation A circulating fluidized bed boiler having improved reactant utilization. The circulating fluidized bed boiler includes a circulating fluidized bed having a dense bed portion and a lower furnace portion above the dense bed portion. At least one secondary air and reci... | 12/06/2011 |
| 8047162 | Black plant steam furnace injection A system and method for quickly cooling and de-pressurizing a boiler arrangement in the event of a plant power loss, a.k.a. a black plant condition. A steam discharge system injects steam from the steam/water circuit into the furnace, thereby both cooling components... | 11/01/2011 |
| 7971558 | Circulating fluidized bed reactor with separator and integrated acceleration duct A circulating fluidized bed including a reaction chamber connected by an acceleration duct to a centrifugal separator which separates hot gas particles derived from the chamber. The acceleration duct is arranged partly in the upper part of the chamber. ... | 07/05/2011 |
| 7954458 | Boiler having an integrated oxygen producing device A system is described wherein a boiler 10 is integrated with an oxygen producing device 12. Combustion heat generated in the boiler 10 is used to generate steam in the boiler and is also applied to at least one of a sweep gas stream 13 an... | 06/07/2011 |
| 7878156 | Method and plant for the conveyance of fine-grained solids The present invention relates to a method for the conveyance of fine-grained solids in a fluidized bed reactor and also to a corresponding plant. It is proposed to introduce a first gas or gas mixture from below through a central tube (3) into a mixing chambe... | 02/01/2011 |
| 7770543 | Control of CFB boiler utilizing accumulated char in bed inventory A boiler control method and system. A BFI (bed fuel inventory) value associated with a boiler can be estimated by detecting data from the boiler utilizing an inferential sensor. The bed fuel inventory value can then be stabilized at a particular value utilizing a fe... | 08/10/2010 |
| 7658167 | Fluidized-bed device with oxygen-enriched oxidizer The invention relates to a fluidized-bed device (F1, F2) provided with a hearth (1, 23) equipped with gas mixture feeds called primary feeds, said gas mixture being enriched with oxygen, and said hearth (1, 23) being provided with a netwo... | 02/09/2010 |
| 7624707 | Re-oriented over fire air ports for reduction of NO production from pulverized coal-fired burners An over fire air (OFA) port arrangement for a pulverized coal-fired boiler or furnace has at least one OFA port through each of the sidewalls for injecting OFA to increase residence time for each burner level. Plural OFA ports may be employed, staggered both vertica... | 12/01/2009 |
| 7562641 | Method and device for measuring circulation quantity of bed material in circulating fluidized bed combustor In order to quantitatively evaluate actual circulation quantity of bed material extremely simply and to enhance accuracy of comparison of results of thermal balance examined through simulation or the like with actual operation results, time is measured which is requ... | 07/21/2009 |
| 7543553 | Circulating fluidized bed boiler A circulating fluidized bed boiler has reduced corrosion in the exchanging tube in an external heat exchanger. The circulating fluidized bed boiler has a furnace which combusts a fuel which is fluidized together with a bed material, a cyclone dust collector into whi... | 06/09/2009 |
| 7520249 | Circulating fluidized bed reactor with a convertible combustion method A circulating fluidized bed reactor is provided that includes a reaction chamber having a vertical partition wall forming two independent subchambers that include a combustion subchamber and a cooling subchamber. A combustion fluidizing gas is provided to the combus... | 04/21/2009 |
| 7503286 | Method of combusting oil shale in a circulating fluidized bed boiler A method of combusting oil shale in a circulating fluidized bed boiler. Fuel, including oil shale, is introduced into a furnace of the circulating fluidized bed boiler, primary oxygenous gas is introduced through a bottom grid of the furnace, and secondary oxygenous... | 03/17/2009 |
| 7493876 | Passive mixing device for staged combustion of gaseous boiler fuels A steam generating boiler having a matrix means for reducing combustion volume. Matrix means is placed in the combustion furnace of a steam generating boiler, preferably downstream of fuel and oxidant stream. Matrix means produces a shorter combustion envelope than ... | 02/24/2009 |
| 7464669 | Integrated fluidized bed ash cooler An integrated fluidized bed ash cooler for a fluidized bed boiler, particularly a circulating fluidized bed (CFB) boiler, employs at least two fluidized bed sections positioned in series along a solids flow path. Each section contains fluidizing means, the first sec... | 12/16/2008 |
| 7410356 | Circulating fluidized bed boiler having improved reactant utilization A circulating fluidized bed boiler having improved reactant utilization. The circulating fluidized bed boiler includes a circulating fluidized bed having a dense bed portion; a lower furnace portion adjacent to the dense bed portion; and an upper furnace portion, wh... | 08/12/2008 |
| 7347057 | Control of dual-heated absorption heat-transfer machines An absorption, heat-transfer system with an operationally interconnected generator, absorber, condenser, and evaporator; at least two separate heat sources for heating the generator; and a controller for controlling the heat sources. The controller, e.g., a programm... | 03/25/2008 |
| 7340893 | Steam generator system A steam generator includes a submersible burner compartment with at least one burner subassembly and an associated submersible primary ignition means. The burner subassembly also has an associated infrared primary flame monitoring subassembly. The primary flame moni... | 03/11/2008 |
| 7331313 | Continuous steam generator with circulating atmospheric fluidised-bed combustion A continuous steam generator with a circulating atmospheric fludized-bed chamber is defined by encircling walls essentially on all sides, comprised of gas-permeable tubular walls provided with essentially vertical tubes, and comprises at least one funnel in its lowe... | 02/19/2008 |
| 7331299 | Incombustible withdrawing system An incombustible withdrawing system withdraws an incombustible from a fluidized-bed furnace having a fluidized bed formed therein by a fluidized medium. The incombustible withdrawing system has a mixture delivery path to deliver a mixture of the fluidized medium and... | 02/19/2008 |
| 7316564 | Method and installation for regulating the quantity of circulating solids in a circulating fluidized bed reactor system A method for regulating the quantity of circulating solids in a circulating fluidized bed reactor system, whereby a solid flow/gas flow mixture leaving the fluidized bed reactor is fed tangentially into at least one cyclone separator for separation of the solid from... | 01/08/2008 |
| 7305846 | Freezing device In a refrigerant circuit (20), a refrigerator circuit (110) and a freezing circuit (30) are connected in parallel to an outdoor circuit (40). In the freezing circuit (30), a freezer circuit (130) and a booster circuit (14... | 12/11/2007 |
| 7293602 | Fin tube assembly for heat exchanger and method A fin and tube assembly for use in a heat exchanger comprising a carbon steel tube, a carbon steel fin, and an external brazing compound comprising a material selected from the group consisting of nickel, chrome, copper, aluminum, zinc, and graphite brazed to the tu... | 11/13/2007 |
| 7293532 | Heavy oil extraction system An efficient high-temperature water vapor generator is used to heat heavy oil located in an underground cavity, thereby reducing the viscosity of the oil and enabling the oil to be pumped to the surface. The vapor generator includes a combustion chamber and a surrou... | 11/13/2007 |
| 7287477 | Cyclone bypass for a circulating fluidized bed reactor A method of and an apparatus for operating a circulating fluidized bed reactor having a furnace with a discharge port for exhaust gas, and a particle separator having an inlet connected to the exhaust gas discharge port and an outlet duct for the exhaust gas and a r... | 10/30/2007 |
| 7281498 | Compact high efficiency gas fired steam generator-humidifier A compact gas fired steam generator comprises a water tank with designated steam separation zone, boiling zone and a solids separation zone, a burner for burning gaseous fuel with air for producing combustion products and a flat tubular type heat exchanger immersed ... | 10/16/2007 |
| 7273015 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 09/25/2007 |
| 7263934 | Methods for generating energy using agricultural biofuel A process comprising, providing an agricultural biofuel to a fluidized bed reactor and combusting the agricultural biofuel to produce heat and/or steam is disclosed. In one embodiment, the agricultural biofuel is selected from the group consisting of agricultural cr... | 09/04/2007 |
| 7244400 | Fluidized bed reactor system having an exhaust gas plenum An arrangement for directing exhaust gases from at least one particle separator of a circulating fluidized bed reactor system to a heat recovery section includes a gas plenum located above a reaction chamber, the gas plenum being defined by a ceiling, a bottom, and ... | 07/17/2007 |
| 7243619 | Dual pressure recovery boiler A dual pressure boiler system has a bottom furnace that operates as a low pressure natural circulation steam generating system and a top furnace that operates as a high pressure natural circulation steam generating system. The low pressure natural circulation steam ... | 07/17/2007 |
| 7240639 | Method of and an apparatus for recovering heat in a fluidized bed reactor A fluidized bed reactor, comprising a furnace, a heat exchange chamber, a substantially vertical discharge channel connected to the lower part of the heat exchange chamber for removing particulate material from the heat exchange chamber to the furnace, and a substan... | 07/10/2007 |
| 7240640 | Tower boiler including a stationary supporting structure A boiler plant, including a combustion section, a heat exchange section including heat exchange surfaces, arranged above the combustion section and having a flow direction from the bottom upwards, and a stationary supporting structure. The combustion section and the... | 07/10/2007 |
| 7223372 | NOx removal system for boilers A NOx removal system for boilers in which the need for any special heat retainer or any warming mechanism is eliminated. Ammonia jet nozzles are disposed on a gas passage of a boiler or flue, and an ammonia generator connected to the jet nozzles is disposed within t... | 05/29/2007 |
| 7219518 | Sequential dispensing of laundry additives during automatic machine laundering of fabrics Disclosed are systems, methods, devices and kits for sequentially dispensing laundry additive materials into the drum of an automatic washing machine as that machine is used to carry out a fabric laundering operation. To bring about such dispensing of additives, a l... | 05/22/2007 |
| 7194983 | Circulating fluidized bed boiler A circulating fluidized bed boiler including a furnace, a separator which is connected to the furnace to separate fluidized bed material from a flow leaving the furnace, as well as a return duct between the separator and the furnace to return the separated fluidized... | 03/27/2007 |
| 7179312 | Inhibiting of erosion of vessls A process vessel includes a body defining an interior vessel surface and a fixed catalyst bed in the body. A retainer is provided on the fixed catalyst bed to retain the fixed catalyst bed in position. The retainer defines at least one trapping formation at or in cl... | 02/20/2007 |
| 7172412 | Pyrolysis heater A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which includes staged combustion low NOx hearth burners firing upwardly in the firebox adjacent to the walls. Wall stabil... | 02/06/2007 |
| 7171721 | Cleaning apparatus for dispensing a heated cleaning fluid A cleaning apparatus is disclosed and which includes a fluid dispensing tank which dispenses a cleaning fluid; a heat exchanger coupled in downstream fluid flowing relation relative to the fluid dispensing tank; a source of a combustible fluid fuel; a source of air;... | 02/06/2007 |
