Matches 401 - 450 out of 719 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
4686939 Fast fluidized bed boiler and a method of controlling such a boiler  
A completely cooled fast fluidized bed boiler comprises a reactor (4) having a bottom section (3), an integrated primary non-centrifugal mechanical particle separator (5), a gas pass (7) containing...
4687491 Fuel admixture for a catalytic combustor  
Disclosed is a catalytic combustor and systems for the boilerless stoichiometric production of a working fluid such as steam from a burn-mixture comprised of a carbonaceous fuel and a diluent. In a...
4683840 Boiler with a circulating fluidized bed  
Boiler with a circulating fluidized bed, comprising a fluidization column completely lined with refractory material, a recirculation cyclone (2) and a duct (3) for recycling the solid materials. At...
4682567 Fluidized bed steam generator and method of generating steam including a separate recycle bed  
A fluidized bed steam generator and method of generating steam including a separate recycle bed in which a plurality of vertically stacked fluidized beds are disposed in a furnace enclosure and a...
4682948 Method and apparatus for producing cement clinker including white cement  
A method and apparatus for producing cement which includes intermixing the cement forming raw materials with water, coal or coke cement as a binder and forming this mixture of materials into...
4681065 Multibed fluidized bed boiler  
A multibed fluidized boiler having at least two fluidizable beds, in which conventional fuel, for example coal, is supplied to the first bed and in which the combustion of this fuel takes place in...
4679511 Fluidized bed reactor having integral solids separator  
A circulating fluidized bed reactor (10) is disclosed wherein a non-cyclonic particulate separator (18) is integrally disposed in the gas flow path between the reactor gas outlet (14) and the gas...
4676733 Method for producing a clean heated fluid  
The invention relates to a method for combusting a dirty and/or difficult to burn fuel in a fluidized bed combustor. The fluidized bed and freeboard zone of the combustor are cooled by a...
4672918 Circulating fluidized bed reactor temperature control  
A simple yet effective method and apparatus control the temperature within a fluidized bed reactor within a desired range (e.g. about 800°-950° C.). Particulate solids in the off-gases from the...
4665865 Steam generator having mutually parallel flue gas flues  
A steam generator includes first and second mutually parallel flue gas flues; the first flue gas flue having an upper end, an intermediate ceiling at the upper end having an upper surface, a cross...
4665864 Steam generator and method of operating a steam generator utilizing separate fluid and combined gas flow circuits  
A steam generator and method for operating same in which a plurality of beds of combustible particulate material are established and air is introduced to each of the beds for fluidizing the beds....
4656972 Method and apparatus for reducing NO.sub.x in exhaust gases from fluidized-bed boiler  
Temperature of exhaust gases from a fluidized-bed boiler is lowered by means of heat exchange and dust entrained in the exhaust gases is efficiently collected by a dust collector. Part of the gases...
4656971 Non-plugging air distribution system for spent bed cooler  
Apparatus is described for a non-plugging gas distribution system supplying fluidizing gas to a fluid bed undergoing cooling.
4655147 Plant for the combustion of particulate fuel in a fluidized bed  
A plant for combustion of a particulate fuel in a fluidized bed in a combustion chamber has the fuel supplied into the bottom of the combustion chamber by means of a pneumatic transportation system...
4648353 Fluidized sand expansion joint  
An expansion joint is provided between the bottom supported tube walls and the top supported tube walls of a fluidized bed boiler furnace. The expansion joint includes an upwardly open trough...
4646637 Method and apparatus for fluidized bed combustion  
A method and apparatus for fluidized bed construction in which the fluidized bed is confined in an annular combustion chamber and fuel is injected into the lower portion of the fluidized bed by a...
4641608 Steam generator with expansion joint  
A fluidized bed steam generator with a bottom supported furnace wall structure (14) and a top supported gas pass structure (22). A gas tight expansion joint (26) joins the two structures....
4640201 Fluidized bed combustor having integral solids separator  
A circulating fluidized bed furnace (10) is disclosed wherein a non-cyclonic particulate separator (18) is integrally disposed in the flue gas flow path between the furnace gas outlet (14) and the...
4635713 Erosion resistant waterwall  
An erosion resistant waterwall in which a plurality of erosion resistant stud members are attached to the exposed surface of a waterwall consisting of a plurality of spaced water tubes connected...
4633818 Mobile coal-fired fluidized bed power unit  
A mobile coal-fired fluidized bed furnace system (10) is provided for generating steam to power a locomotive. Coal is combusted within the fluidized bed furnace chamber (30) in the fluidizing air...
4628834 Vibratory fluidized bed reactor  
A vibratory fluidized bed reactor vibrates a solid particle bed to fluidize the bed, and air or other gaseous stream is injected into the bed. The reactor can employ a rotationally-vibrated bowl or...
4628831 Hearth and process for fluidized-bed treatment of a fuel  
Hearth and process for the fluidized bed treatment of a fuel consisting of solid particles. The grid (1) for conveying gaseous fluidization and/or forcing fluid to a treatment chamber (2) comprises...
4627387 Fluidized-bed apparatus with a heat exchanger and an additional-air blowing network  
A fluidized-bed apparatus with a heat exchanger and an additional-air blowing network. The heat exchanger comprises upright tubes extending from a lower header which is slightly inclined to the...
4622904 Combined fluidized bed calciner and pulverized coal boiler and method of operation  
A fluidized bed calciner cooperating with a pulverized coal boiler includes a two tier fluidized lime cooling bed arrangement. Control of the combustion air flow through the fluidized bed calciner...
4622922 Combustion control method  
A combustion control method wherein manipulated variables or the amounts of fuel and air in at least one combustion zone of a boiler are regulated so that both the amount of nitrogen oxides and the...
4619315 Fluidized bed boiler in-bed tube support bracket  
A hot support bracket for supporting an in-bed heat exchanger of a fluidized bed furnace is comprised of a plurality of plates having openings or cut-outs along and intersecting at least one edge...
4619314 Device for preventing wear of heat transfer tubes in fluidized-bed boiler  
A device for protecting wear of heat transfer tubes in a fluidized-bed boiler is disclosed. The protective device is applied to a portion of a heat transfer tube which is strongly and exceedingly...
4617877 Fluidized bed steam generator and method of generating steam with flyash recycle  
A steam generator in which a plurality of vertically spaced fluidized beds are provided in a single enclosure, with one boundary wall of the enclosure having openings therein for permitting the...
4615283 Apparatus and method for disposal of hazardous waste material  
A waste disposal system for the combustion of waste materials, that may include toxic chemical waste, wherein the wastes are combusted in a combustion unit with combustion gases directly discharged...
4614167 Combustion chamber having beds located one above the other and a method of controlling it  
A boiler plant with a multi-fluidized-bed combustion chamber comprising a first bed in a lower combustion space and a second bed in an upper combustion space and with nozzles in the support means...
4610208 Vibrating grate in a heating boiler  
According to the invention it is suggested that, in a heating boiler with a vibrating grate (3), a supply pipe (6) from which fuel material in particle form, in particular pellets, is supplied to...
4608944 Ignition device for fluidized bed boiler  
The present invention concerns an ignition device for igniting fuel within a heating boiler having a combustion section operating according to the fluidized bed principle. The ignition device...
4604972 Seal assembly for a vapor generator  
A seal assembly for a vapor generator each wall of which has spaced lower and an upper portions to accommodate relative movement there between. The seal assembly includes a trough containing water...
4604050 Method of cleaning nozzles in a fluidized bed  
The combustion gas passages leading to a fluidized bed in a hot water or steam boiler are kept free of deposits which might block them by pulses of gas. The gas pulses may be generated from a...
4597362 Fluidized bed combustor  
A fluidized bed combustor having a velocity control zone for developing optimum aerothermodynamic conditions for improved combustion, fluidized bed operation, and heat transfer capabilities.
4595567 Cooling fluidized catalytic cracking regeneration zones with heat pipe apparatus  
An apparatus is presented for burning carbonaceous deposits off of fluidized particles. The apparatus is preferably employed as the catalyst regeneration zone of a fluidized catalytic cracking...
4594967 Circulating solids fluidized bed reactor and method of operating same  
A fluidized bed reactor and a method of operating same in which three discrete chambers are formed in a housing and a main fluidized bed containing particulate fuel and adsorbent material is...
4593630 Apparatus for fluidizing a particulate material in a conveying gas  
A fluidizing feed apparatus (20) for supplying particulate material to a fluidized bed furnace (12) having a housing (22) which defines a chamber which is divided by a perforated distribution plate...
4593652 Modular tube unit for fluidized bed boilers  
A modular in bed tube unit including a hatch cover bolted over a hatch-opening in the front wall of a fluidized bed boiler. The modular unit also includes a feed fluid manifold, a steam manifold,...
4589841 Cap for nozzles in an after combustion fluidized bed  
A nozzle cap for a gas inlet fluidizing nozzle in the bottom plate of a post-combustion bed in a hot water or steam boiler with at least two fluidized beds is provided. Flue gases from an...
4584949 Method of igniting a combustion chamber with a fluidized bed and a power plant for utilizing the method  
The invention relates to a method of igniting, upon start-up, a combustion chamber (8) in a power plant with combustion of fuel in a fluidized bed (14). The air flow through the nozzles (13) of the...
4579070 Reducing mode circulating fluid bed combustion  
A method for combustion of sulfur-containing fuel in a circulating fluid bed combustion system wherein the fuel is burned in a primary combustion zone under reducing conditions and sulfur captured...
4574496 Ring-gap nozzle and its application in a fluidized bed dryer  
A ring-gap nozzle for distributing a fluid medium over a plate, for instance over a bottom plate in a fluidized bed dryer, having two dish-shaped pressed parts suiting to each other complementarily...
4574743 Heat generator for heating a fluid by heat exchange through a fluidized bed and a process for implementing same  
The enclosure of a generator comprises a combustion zone 1 surrounded at least partially by a heat exchange zone 2, the combustion zone comprising a premix chamber 25 having means for supplying...
4572082 Thermal decomposition furnace of waste tires  
A thermal decomposition furnace in which waste tires having original shape, not broken up, can be laid horizontally and be thermally decomposed. The furnace is constructed by providing a feeder...
4565139 Method and apparatus for obtaining energy  
A low BTU, low volatile content, low carbon and high ash fuel is combusted in a combined shaft kiln combustor and fluidized bed combustor to generate heat which is converted to useful energy. The...
4563267 Process for reducing thermal shock in fluidized bed stem coils cycled in and out of service  
The invention provides an improved method and apparatus for operating a fluidized bed chemical processing unit of the type having steam generating coils, so as to reduce the occurrence of...
4561385 Fluidized bed shell boilers  
Description is of fluidized bed shell boiler arrangements in which the sides of the bed within the furnace tube are generally vertical, being provided by vertical walls within the furnace tube. The...
4557202 Exhaust gas treatment method and apparatus  
Exhaust gas treatment method and apparatus extract heat from an exhaust gas by operating in a water-condensing mode which allows more heat to be recovered, removes particulate matter and condensed...
4555993 Water gas furnace  
A water gas furnace comprising an outer container to provide a housing in which coke is placed into its lower part. A water container is placed within the housing. The coke is ignited and heats the...
Matches 401 - 450 out of 719 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >