| Patent Number |
Title Of Patent |
Date Issued |
| 7555890 |
Fast start-up combined cycle power plant |
July 7, 2009 |
| A combined cycle power plant of the present invention is configured of a compressor; a combustor for combusting compressed air compressed by the compressor together with supplied fuel; a gas turbine driven by a combustion gas exhausted from the combustor; a heat recovery steam genera |
| 7553153 |
Burner and combustion method for solid fuels |
June 30, 2009 |
| A solid-fuel burner comprising a fuel nozzle for injecting a mixed fluid with a mixture of solid fuel and air as a carrier gas thereof, a plurality of air nozzles provided on the outside of the fuel nozzle for surrounding the fuel nozzle; an end portion of an inner circumferential wa |
| 7509799 |
Engine exhaust gas treatment system and exhaust gas treatment process |
March 31, 2009 |
| To provide an engine exhaust gas treatment system that can efficiently reduce and remove NOx using easy-to-handle urea as the reducing agent, regardless of the engine operating conditions. An exhaust gas denitration system in which an exhaust gas is introduced into the denitration ca |
| 7416623 |
Method of causing intergranular stress corrosion crack to generate and grow in sample |
August 26, 2008 |
| To provide a method for simply and easily causing only IGSCC to initiate and grow in a specimen, which can retain corrosion resistance through passivation, under atmospheric pressure in a short time, an aqueous solution of potassium tetrathionate is brought into contact with the spec |
| 7213522 |
Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion appa |
May 8, 2007 |
| A solid fuel burner and its combustion method suited for encouraging fuel ignition and avoiding slugging caused by combustion ash, wherein a gas of low oxygen concentration (exhaust combustion gas) is used as a carrier gas of such a low grade solid fuel as brown coal.Means for Solving th |
| 7168374 |
Solid fuel burner, burning method using the same, combustion apparatus and method of operating t |
January 30, 2007 |
| A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignition of the fuel and a |
| 6889619 |
Solid fuel burner, burning method using the same, combustion apparatus and method of operating t |
May 10, 2005 |
| A solid fuel burner and method uses a low oxygen concentration gas as a transporting gas for a low grade solid fuel such as brown coal or the like, provides for accelerating ignition of the fuel and for preventing slugging caused by combustion ash. Mixing of fuel and air inside a fuel |
| 6636579 |
Device and method for repairing inside of reactor pressure vessel |
October 21, 2003 |
| An opening portion 3 is produced by cutting a recirculating piping 72 connected to a recirculating nozzle 2 of a reactor pressure vessel 1. A repairing device is brought into an annulus 10 of the reactor pressure vessel 1 from the opening 3, thereby repairing the annulus 10. |
| 6112676 |
Pulverized coal burner |
September 5, 2000 |
| A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around the outer periphery of the pulverized coal nozzle, and a tube expanded portion at the end |
| 4268482 |
Catalytic reactor |
May 19, 1981 |
| A plurality of catalyst assemblies each have a plurality of sheet catalysts which are arranged in parallel to each other with distances thereby to define a plurality of gas passages. The catalyst assemblies are stacked in a catalytic reactor so that the width direction of the sheet catal |
| 4187282 |
Process for treating a waste gas containing sulfur oxides |
February 5, 1980 |
| A waste gas containing sulfur oxides is contacted with an adsorbent comprising an intimate mixture of an iron oxide and/or a copper oxide and a titanium oxide at a temperature of 250.degree.-500.degree. C. The sulfur oxides thus adsorbed are desorbed with a reducing gas and recovered as |
| 4154673 |
Method of treatment of waste water containing sulfur compounds |
May 15, 1979 |
| Waste water issued from a wet type desulfurization apparatus and containing thionic acid ions is introduced into ion-exchange towers filled with weak-basic anion-exchange which has to effect anion exchange therein. The weak-basic anion-exchange resin which has adsorbed the thionic acid i |
| 4049789 |
Process for preparation of mixed oxide powders |
September 20, 1977 |
| Nitric acid is added to an aqueous solution of organic acid salts of metals to be included in a resulting complex oxide powder, into which an aqueous solution of an inorganic salt of other metal component has been incorporated according to need, and the resulting solution is heated until |
| 4031185 |
Process for making nitrogen oxides contained in flue gas harmless |
June 21, 1977 |
| The present invention relates to a process for removing nitrogen oxides contained in a gaseous mixture such as combustion flue gas, etc. by reduction of the nitrogen oxides with ammonia, and a cuprous or cupric halide is used as a catalyst to carry out the reduction in a low temperat |
| 3980454 |
Adsorption method |
September 14, 1976 |
| A contaminant, such as sulfur dioxide, is removed from a fluid, such as hot exhaust gas, by passing it through beds of material for removing the contaminants, such as activated carbon for adsorbing the sulfur dioxide as sulfur trioxide; periodically, the bed is regenerated by discontinui |
| 3977836 |
Method and apparatus for determining ammonia concentration of gas |
August 31, 1976 |
| An ammonia gas to be determined, and an oxidative gas containing nitrogen oxides in moles more than those of the ammonia are brought into contact with an analytical catalyst capable of forming nitrogen and water from ammonia and nitrogen oxides.Concentrations of nitrogen oxides of the ga |
| 3976745 |
Process for reducing nitrogen oxides to nitrogen |
August 24, 1976 |
| A catalyst composition for reducing nitrogen oxides, which is characterized in that the same contains, as its chief ingredient,A. tin (Sn) as the component A, andB. at least one metal selected from the group consisting of molybdenum (Mo), tungsten (W), and iron (Fe), as the component (B).in |
