| Patents for F23J 3 - Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers (2,771) |
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| 06/26/1990 | US4936716 Transport device for pneumatically transporting particulate material from a container under high pressure to a container under low pressure |
| 05/09/1990 | EP0366725A1 Circulating fluidized bed reactor. |
| 05/03/1990 | DE3925279A1 Brown coal combustion plant - has boiler followed by fluidised bed combustion system fired by coal dust from flue gas separator |
| 04/25/1990 | CN2056420U Spray nozzle coal powder distributor |
| 04/18/1990 | EP0320036B1 Process for the separation of ashes at the combustion of coal to produce gas |
| 03/13/1990 | US4907543 Boiler air port cleaner |
| 02/27/1990 | US4903617 Process of removing the ash from the gas produced by the combustion of coal |
| 01/25/1990 | WO1990000702A1 A power plant with a screw conveyor ash cooler |
| 01/24/1990 | EP0351409A1 Method and separator for separating solid particles from a hot gas stream |
| 01/10/1990 | CN2050940U Dust catcher for stove of heated brick bed |
| 01/02/1990 | US4891052 Impingement type solids collector discharge restrictor |
| 12/28/1989 | WO1989008802A3 Process and device for enlarging a chimney |
| 11/30/1989 | WO1989011623A1 Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 11/30/1989 | WO1989011622A1 Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 11/22/1989 | CN2048162U Heavy type deslagging machine with chains |
| 11/15/1989 | EP0341394A2 Device for enlarging a chimney which is to be lined at the interior by milling and applications |
| 11/08/1989 | EP0340380A1 Steep troughed chain conveyor for moderately dry bulk material |
| 11/02/1989 | WO1989010516A1 Separator for separating solids from an ascending, solids-laden gas stream |
| 10/31/1989 | US4877423 Method and device for cooling flue dust |
| 10/17/1989 | US4873739 Chimney cleaning device |
| 10/10/1989 | US4872834 Recovery boiler port cleaner |
| 10/04/1989 | EP0335039A1 Indexing sootblower |
| 10/04/1989 | CN1036071A Indexing sootblower |
| 09/26/1989 | US4869207 Circulating fluidized bed reactor |
| 09/21/1989 | WO1989008802A2 Process and device for enlarging a chimney |
| 09/13/1989 | EP0331681A1 Device for combustion in a fluidized reactor. |
| 09/05/1989 | CA1259003A1 Sootblower nozzle apparatus |
| 09/05/1989 | CA1259002A1 Soot blower |
| 08/31/1989 | DE3805943A1 Verfahren und vorrichtung zum schmelzen fester ballaststoffe A method and apparatus for melting solid ballaststoffe |
| 08/10/1989 | DE3802884A1 Plant for removing ammonia from fly ash |
| 07/26/1989 | CN2041779U Double channel discharge cinder device and tool for honeycomb briquet stove |
| 07/12/1989 | CN2040995U Combined type gas-locked cinder conveyer |
| 07/11/1989 | US4846080 Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 07/05/1989 | CN1033684A Pipe with lined rubber of duct-extraction system in heat and power plant |
| 06/28/1989 | CN1004648B Apparatus for regulating and cleaning air passage in wall of furnace |
| 06/27/1989 | US4841593 Hollow ware and chimney cleaning device |
| 06/20/1989 | US4840145 Process and a device for cleaning inner or outer walls of vertically extending or inverted tubes of heat exchangers |
| 06/15/1989 | DE3740982A1 Device for cleaning pipes |
| 06/14/1989 | EP0320036A1 Process for the separation of ashes at the combustion of coal to produce gas |
| 06/13/1989 | US4838182 Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 05/23/1989 | US4831969 Process and a device for cleaning inner or outer walls of vertically extending or inverted tubes of heat exchangers |
| 05/03/1989 | EP0313758A1 Process and device for the cooling of fine dust |
| 05/03/1989 | EP0313687A2 Modelling loss of boiler efficiency due to sootblowing |
| 04/25/1989 | US4823425 Chimney flue brush |
| 04/18/1989 | US4822428 Apparatus for cleaning air ports of a chemical recovery furnace |
| 04/11/1989 | CA1252356A1 Method and device for the reinjection of exhausted particles in a solid fuel burning furnace |
| 04/04/1989 | US4817232 Easy chimney sweep |
| 03/28/1989 | CA1251605A1 Remotely operated chimney cleaning apparatus |
| 03/22/1989 | CN2034653U Removing ashgun for boiler |
| 03/21/1989 | US4813097 Scraping device for removing deposits from flues, chimneys, and the like |
| 03/08/1989 | CN1031485A 循环流化床反应器 Circulating fluidized bed reactor |
| 02/28/1989 | US4807320 Chimney brush |
| 02/14/1989 | US4803959 Indexing sootblower |
| 02/07/1989 | US4802796 Pressure-reducing device for particulate material |
| 02/07/1989 | US4802256 Slide hammer chimney cleaner |
| 01/26/1989 | WO1989000660A1 Circulating fluidized bed reactor |
| 01/25/1989 | CN1030634A Steel-ball dedusting apparatus for boiler |
| 01/03/1989 | US4794662 Remotely operated chimney cleaning apparatus |
| 12/28/1988 | EP0185744B1 A method and a tool for increasing the width in the clear of a chimney |
| 12/13/1988 | US4790267 Pressurized chamber |
| 11/09/1988 | EP0289741A2 Method and device of the discharge of fine grained and hot solids |
| 11/08/1988 | US4782772 Method of directly removing sulfur, with flue dust being returned |
| 09/27/1988 | US4773116 Chimney cleaning device |
| 09/22/1988 | WO1988006924A1 Method and separator for separating solid particles from a hot gas stream |
| 09/21/1988 | CN88101269A 颗粒分离器 Particle separator |
| 09/13/1988 | CA1241880A1 Soot blower including revolving roller assembly with modular construction |
| 09/07/1988 | CN88100751A Improved weld joint for soot blower lance tube |
| 09/06/1988 | US4768255 Chimney cleaning device |
| 08/31/1988 | EP0280219A1 Improved weld joint for soot blower lance tube |
| 08/30/1988 | US4767243 Pneumatic conveying system with directional change of a gas/particulate material stream |
| 08/30/1988 | US4766952 Waste heat recovery apparatus |
| 08/23/1988 | US4765394 Heat exchanger with a soot blower |
| 08/17/1988 | EP0278843A1 Apparatus for chemically cleaning heat generators |
| 08/16/1988 | US4763696 Weld joint for soot blower lance tube |
| 08/09/1988 | CA1240222A1 Sootblower apparatus |
| 08/09/1988 | CA1240221A1 Apparatus for regulating and cleaning an air passage in the wall of a furnace |
| 08/02/1988 | CA1239961A1 Switching valve and a pneumatic transportation system for powdered or granular material with such a switching valve for selection of different transport paths |
| 07/19/1988 | US4757573 Chimney flue scraping apparatus |
| 07/19/1988 | CA1239257A1 Chimney cleaning apparatus |
| 06/29/1988 | EP0272410A2 Steam generator with fluidised-bed combustion |
| 06/29/1988 | CN87101185A Method of burning carbonaceous materials in fluidized bed reactor and device for working the method |
| 06/22/1988 | CN86108401A Method of treating exhausted liquid in wet gas conducting and treating device |
| 06/15/1988 | CN87107795A Direct-desulfarizing process by recycling flue dust |
| 06/14/1988 | US4750548 Device for sealing retractable soot-blower lances |
| 06/02/1988 | WO1988004010A1 Combustion process in a fluidized reactor |
| 05/31/1988 | US4747177 Chimney sweep system |
| 04/26/1988 | US4739715 Process and device for reinjecting flown-off particles into a solid fuel boiler |
| 04/13/1988 | EP0263238A2 Device for sealing withdrawable soot-blower lances |
| 03/29/1988 | CA1234512A1 Combustors |
| 03/29/1988 | CA1234457A1 Chimney cleaning apparatus |
| 03/22/1988 | US4732113 For separating solids and gases in a hot gas stream |
| 03/01/1988 | US4727617 Chimney cleaning apparatus |
| 02/02/1988 | US4722182 Power plant with combustion in a fluidized bed |
| 01/27/1988 | EP0254379A1 Boilers systems |
| 01/20/1988 | EP0253324A2 Method and apparatus for reducing sulphur dioxide content in flue gases |
| 01/19/1988 | CA1231603A1 Enhanced sootblowing system |
| 01/07/1988 | EP0251213A1 Apparatus for cleaning the inner or outer walls of standing or hanging heat exchanger tubes |
| 01/07/1988 | DE3621850A1 Method and device for cleaning the inner or outer wall of standing or hanging tubes of heat exchangers |
| 12/05/1987 | CN86207439U Boiler chimney dust remover |
| 11/24/1987 | CA1229533A1 Sootblowing system with identification of model parameters |