Patent application number | Description | Published |
20110088455 | DEVICE AND METHOD FOR HUMIDITY ESTIMATION - A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated vapor amount estimation (IGVAE) unit, and an indoor absolute humidity estimation (IAHE) unit. The CARE unit calculates an estimated charge airflow rate (ECAR) of the air-conditioner based on operation control information of the charge fan and a preset fan differential pressure. The CAAHE unit calculates an estimated charge air absolute humidity (ECAAH) of the air-conditioner based on a charge air temperature and a preset charge air relative humidity. The IGVAE unit calculates an estimated indoor generated vapor amount (EIGVA) based on an indoor temperature, the number of persons in the room and activity index values of the persons. The IAHE unit calculates an estimated absolute humidity in the room based on the ECAR, the ECAAH and the EIGVA. | 04-21-2011 |
20120323380 | WATER DEMAND OPTIMIZATION SYSTEM, CONTROL SYSTEM AND PROGRAM - According to one embodiment, a water demand optimization system includes a management terminal, a measuring apparatus, a demand information generating unit and a water-supply control apparatus. The management terminal drives customer equipment, which performs an operation using water, in a time zone in which a power unit rate is low. The measuring apparatus measures an amount of water used in a dwelling unit. The demand information generating unit generates water demand based on the amount of water. The water-supply control apparatus controls a pump in a manner to meet water demand and to minimize a treatment cost in a water purification plant and a cost for conveyance of clear water with reference to a variation in the power unit rate. | 12-20-2012 |
20140324223 | WATER TREATMENT CONTROL APPARATUS AND WATER TREATMENT SYSTEM - According to one embodiment, a water treatment control apparatus generates an indication to a water treatment facility referring to conditions including a drought status and a water treatment cost at the water treatment facility. The indication indicates a type of water to be taken by the water treatment facility between a plurality of types of water including river water from rivers, rainwater, and waste water used by a customer. | 10-30-2014 |
Patent application number | Description | Published |
20090004611 | LOW VELOCITY STAGED COMBUSTION FOR FURNACE ATMOSPHERE CONTROL - An improved staged combustion method useful with oxy-fuel combustion and in a furnace which contains a charge, wherein substoichiometric combustion and low velocity injection of fuel and primary and secondary oxidant are carried out in an orientation which forms a reducing atmosphere proximate the charge surface. | 01-01-2009 |
20090084139 | HEATING GLASSMAKING MATERIALS WITH RADIATIVE HEAT TRANSFER - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 04-02-2009 |
20090084140 | GLASS FURNACE FLUE GAS TO HEAT GLASSMAKING MATERIAL AND OXIDANT - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 04-02-2009 |
20100081103 | FURNACE WITH MULTIPLE HEAT RECOVERY SYSTEMS - In a furnace such as a glassmelting furnace, a portion of the combustion products formed by combustion of fuel with gaseous oxidant within the furnace are passed through a recuperative or regenerative heat exchanger system to heat a portion of the incoming gaseous oxidant, and a portion of the combustion products are passed instead through a secondary heat exchanger system, wherein the hot combustion products and oxidant which are passed through said first heat exchanger are passed at a heat capacity rate ratio of combustion products to oxidant of less than 1.3. | 04-01-2010 |
20100104990 | WIDE FLAME BURNER - A burner comprises a refractory nozzle body enclosing a cavity and having a plurality of conduits each extending from said cavity to openings in the exterior of said nozzle body, wherein the axes of all said conduits lie in a common plane and the axes of any two of said conduits are either parallel to each other or form an angle diverging from said nozzle body, the nozzle body also having a passageway extending from said cavity to an opening in said nozzle body located on the opposite side of said cavity from said conduits; and a reactant distributor, made of metal, comprising a plurality of feeders each comprising a first tube and a second tube surrounding and coaxial with the first tube and defining an annular space between said tubes, there being one feeder in each of said conduits, wherein the distance from the ends of the first and second tubes of each feeder to the opening of the conduit in which the feeder is located is at least 1.5 times the diameter of said opening, and an inlet for oxidant and an inlet for fuel, wherein each first tube is connected in fluid communication with one of said inlets and each of said annular spaces is connected in fluid communication with said inlet for oxidant, wherein said distributor is releasably sealably engaged in said passageway with said inlets accessible outside said nozzle body, and wherein said distributor is removable out of said nozzle body through said passageway. | 04-29-2010 |
20100212362 | METHOD AND APPARATUS FOR PREHEATING GLASSMAKING MATERIALS - Heat in a stream of combustion products obtained from a glassmelting furnace heated by oxy-fuel combustion is passed to incoming glassmaking materials in a heat exchanger without requiring reduction of the temperature of the stream yet without causing softening of the glassmaking material. | 08-26-2010 |
20100275825 | MODIFYING TRANSPORT AIR TO CONTROL NOX - Using oxygen-lean gas as the transport medium in which pulverized fuel solids are conveyed to the burner of a combustion system permits combustion at levels of combustion rate and NOx production under circumstances under which those levels would not be attainable if the transport medium were air. | 11-04-2010 |
20110061361 | ELECTRICAL POWER GENERATION APPARATUS - An apparatus for generating electrical power in which a synthesis gas stream generated in a gasifier is partially oxidized, expanded and thereafter, is combusted in an oxygen transport membrane system of a boiler. The combustion generates heat to raise steam to in turn generate electricity by a generator coupled to a steam turbine. The resultant flue gas can be purified to produce a carbon dioxide product. | 03-17-2011 |
20110185769 | REDUCING CROWN CORROSION IN A GLASSMELTING FURNACE - Corrosion of the inner surface of the crown of a glassmelting furnace is reduced or avoided by directing at low velocity along that surface a gaseous stream comprising water vapor, or comprising the combustion products of an oxy-fuel burner operated at a stoichiometric ratio of at least 1.0, or the combustion products of a burner operated at a stoichiometric ratio less than 1.0, or by injecting into the furnace interior a gaseous reactant which reacts with alkali species in said space. | 08-04-2011 |
20110192196 | REDUCING CROWN CORROSION IN A GLASSMELTING FURNACE - Corrosion of the inner surface of the crown of a glassmelting furnace is reduced or avoided by directing at low velocity along that surface a gaseous stream comprising water vapor, or comprising the combustion products of an oxy-fuel burner operated at a stoichiometric ratio of at least 1.0, or the combustion products of a burner operated at a stoichiometric ratio less than 1.0, or by injecting into the furnace interior a gaseous reactant which reacts with alkali species in said space. | 08-11-2011 |
Patent application number | Description | Published |
20110290163 | HYBRID OXY-FUEL BOILER SYSTEM - An air-fired combustion unit such as a utility boiler is converted to oxy-fired operation and a second oxy-fired combustion unit is operatively connected upstream so that its flue gas is fed into the combustion chamber of the first unit. | 12-01-2011 |
20120111246 | OXYGEN ENHANCED COMBUSTION OF BIOMASS - The energy output of a power plant combustion chamber that combusts fuel comprising biomass as all or part of the fuel can be increased by feeding oxygen into the combustion chamber so that said fuel is in contact with gaseous oxidant whose oxygen content exceeds that of air by up to 5 vol. % above that of air. | 05-10-2012 |
20130276481 | CONTROLLING GLASSMELTING FURNACE OPERATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, and combusting fuel in the refining zone, improve the quality of the glassmelt and lessen the risk of crown corrosion. | 10-24-2013 |
20140338577 | OXYGEN ENHANCED COMBUSTION OF BIOMASS - The energy output of a power plant combustion chamber that combusts fuel comprising biomass as all or part of the fuel can be increased by feeding oxygen into the combustion chamber so that said fuel is in contact with gaseous oxidant whose oxygen content exceeds that of air by up to 5 vol. % above that of air. | 11-20-2014 |
20150344344 | CONTROLLING GLASSMELTING FURNACE GAS CIRCULATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, improves the quality of the glassmelt and lessens the risk of crown corrosion. | 12-03-2015 |
20150344345 | CONTROLLING GLASSMELTING FURNACE GAS CIRCULATION - Injecting one or opposed gaseous streams into the atmosphere over molten glassmaking materials in a glassmelting furnace, in a region of the refining zone, and combusting fuel in the refining zone, improve the quality of the glassmelt and lessen the risk of crown corrosion. | 12-03-2015 |