| 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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| 11/10/1992 | US5161471 Apparatus for reburning ash material of a previously burned primary fuel |
| 11/03/1992 | CA1309571C Method and apparatus for reducing sulfur dioxide content in flue gases |
| 10/29/1992 | WO1992018811A1 A method and device for ash discharge |
| 10/21/1992 | CN1018759B Pipe with lined rubber of dust-extraction system in heat end power plant |
| 10/14/1992 | EP0508782A1 Hub assembly for sootblower |
| 09/15/1992 | US5146856 Power plan with a screw conveyor ash cooler |
| 09/09/1992 | CN2115473U Flue dirt remover for heating stove |
| 08/29/1992 | WO1992015824A1 Damper controller for a chemical recovery furnace |
| 07/28/1992 | CA1305633C Method of burning carbonaceous materials in a fluidized bed reactor and a device for working the method |
| 07/25/1992 | CA2059347A1 Port rodder with anti-drift feature |
| 07/23/1992 | WO1992011931A1 Method of manufacturing chemicals |
| 07/21/1992 | CA1305310C Process and an apparatus for cooling flue dust |
| 06/04/1992 | CA2056788A1 Control of water cleaning for reflective ash using infrared thermography |
| 05/26/1992 | CA1301432C Process for the semi dry collection of pollutants contained in smoke |
| 05/20/1992 | CN2104998U Dust collector with measure |
| 05/05/1992 | US5110365 Control of furnace cleaning for reflective ash using infrared imaging |
| 04/15/1992 | CN1060346A Method and apparatus for removing dust and burned black on flame monitor |
| 04/15/1992 | CN1016263B Indexing sootblower |
| 03/17/1992 | US5096502 Cleaning |
| 03/17/1992 | US5096262 Device for enlarging a chimney |
| 03/11/1992 | EP0422005A4 Tube cleaning apparatus |
| 03/11/1992 | CN2098623U Scraper-type solid residues remover with dust collection |
| 03/10/1992 | US5094695 Light reflectance off walls, monitoring |
| 02/25/1992 | US5090087 Hub assembly for sootblower |
| 02/11/1992 | CA1295522C Indexing sootblower |
| 01/21/1992 | US5082477 Separator for separating solids from an ascending, solids-laden gas stream |
| 01/07/1992 | US5078065 Incinerating-fusing system for city refuse disposal |
| 12/25/1991 | CN2091406U Sound duster |
| 12/25/1991 | CN1057323A Auxiliary port cleaner for boiler wall sensing port |
| 12/18/1991 | EP0461747A2 Auxiliary port cleaner for boiler wall sensing port |
| 12/18/1991 | EP0461678A1 Method and apparatus for reducing sulphur dioxide content in flue gases |
| 12/14/1991 | CA2039384A1 Auxiliary port cleaner for boiler wall sensing port |
| 12/10/1991 | US5070823 Port rodder with anti-drift feature |
| 11/20/1991 | CN2089124U Sooter for boiler |
| 11/19/1991 | US5065472 Spring loaded brake assembly for indexing sootblower |
| 11/19/1991 | CA1292149C Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 11/14/1991 | WO1991017391A1 A cooler for cooling of particulate material, especially fine-grained dust |
| 11/12/1991 | US5063632 Sootblower with condensate separator |
| 11/12/1991 | CA1291851C Apparatus for cleaning air ports of a chemical recovery furnace |
| 10/30/1991 | EP0453479A1 Transfer chambers for the conveyor in a pneumatic transport system |
| 10/08/1991 | CA1290110C Scraping device |
| 10/01/1991 | US5052312 Cyclone furnace for hazardous waste incineration and ash vitrification |
| 09/25/1991 | CN1014030B 循环流化床反应器 Circulating fluidized bed reactor |
| 09/24/1991 | CA1289587C Apparatus for sealing retractable soot-blower lances |
| 09/18/1991 | EP0446888A2 Incinerating-fusing system for city refuse disposal |
| 09/17/1991 | US5048636 Low noise wallbox for sootblower |
| 09/03/1991 | US5044286 Process to eliminate production of fly ash by wet bottom boilers |
| 08/21/1991 | CN1053949A Low noise wallbox for sootblower |
| 08/20/1991 | US5040262 Soot-removal blower |
| 08/20/1991 | CA1287708C Chimney cleaning device |
| 08/14/1991 | EP0441028A2 Low noise wallbox for sootblower |
| 08/14/1991 | CN1013514B Method of burning carbonaceous materials in fluidized bed reactor and device for working the method |
| 08/08/1991 | CA2027759A1 Low noise wallbox for sootblower |
| 07/31/1991 | CN1053486A Internal impact type particle separator |
| 07/31/1991 | CN1013344B Method of treating exhausted liquid in wet gas conducting and treating device |
| 07/24/1991 | EP0437679A1 Process for the treatment of ash in incinerator plants and an incinerator plant for this process |
| 07/17/1991 | EP0437028A1 Impact type particle separator |
| 07/11/1991 | WO1991009801A1 Device for the metered delivery of pourable solids |
| 07/11/1991 | DE4000204A1 Vorrichtung zum dosierten austragen von schuettfaehigem feststoff Device for metered unsubscribe pourable solids |
| 07/10/1991 | CN1052935A Method of cleaning tube preheater in boiler |
| 07/10/1991 | CN1052932A Method for blowing out dust on blades of draught fan for boiler and device thereof |
| 07/02/1991 | US5027723 Method and apparatus for reducing sulfur dioxide content in flue gases |
| 06/25/1991 | US5025755 Apparatus for burning carbonaceous material in a fluidized bed reactor |
| 06/11/1991 | US5022329 Cyclone furnace for hazardous waste incineration and ash vitrification |
| 05/30/1991 | WO1991007218A1 Process and collecting channel separator for separating solid particles from a gas flow |
| 05/23/1991 | DE3938194A1 Verfahren zum abscheiden von feststoffpartikeln aus einem gasstrom und fangrinnenabscheider zur durchfuehrung des verfahrens Method of deposit of solid particles from a gas stream and fangrinnenabscheider for performing the method |
| 05/22/1991 | CN1051620A Cinder-removing system of boiler |
| 05/16/1991 | WO1991006806A1 Chemical recovery furnace air port flow regulator |
| 05/15/1991 | EP0331681B1 Device for combustion in a fluidized reactor |
| 04/17/1991 | EP0422005A1 Tube cleaning apparatus |
| 04/17/1991 | CN1012338B Particle separator |
| 03/26/1991 | US5001992 Apparatus for regulating air flow through an air port of a chemical recovery furnace |
| 03/06/1991 | CN2072650U Automatic ash-cleaning spraying rotational flow heat exchanger |
| 02/27/1991 | EP0413712A1 Separator for separating solids from an ascending, solids-laden gas stream |
| 02/12/1991 | US4992085 Internal impact type particle separator |
| 01/30/1991 | EP0410867A1 Process for cleaning hot surfaces of ovens as well as installation and granules for carrying it out |
| 01/01/1991 | US4981088 Slag eliminator for furnace viewing system |
| 12/12/1990 | EP0402032A1 Vertically tiered particle filtering apparatus |
| 12/12/1990 | CN2067357U Anti-impact wet slag draging machine |
| 12/12/1990 | CN1010798B Steel-ball dedusting apparatus for boiler |
| 11/30/1990 | CA2017706A1 Vertically tiered particle filtering apparatus |
| 11/14/1990 | CN2065721U Ash remover for domestic coal stove chimney |
| 11/13/1990 | US4969937 Vertically tiered particle filtering apparatus |
| 11/13/1990 | US4969404 For a fluidized bed reactor or boiler |
| 10/31/1990 | EP0395551A1 Chimney-sweeping device |
| 10/24/1990 | EP0393931A2 Ash treatment system and process |
| 10/23/1990 | US4964921 Method and apparatus for cleaning chimneys |
| 10/21/1990 | CA2012642A1 Ash classifier-cooler-combustor |
| 10/18/1990 | WO1990011843A1 Tube cleaning apparatus |
| 10/17/1990 | CN2064011U Bug dust auto-discharging or locking equipment |
| 10/17/1990 | CN2064010U Dust-collecting and slag-removing apparatus |
| 10/10/1990 | EP0391038A1 Soot blower |
| 10/10/1990 | CN1045928A Process for purification of waste gases emitted from melting furnace |
| 09/28/1990 | CA2013264A1 Process for the purification of waste gases emitted from a melting furnace |
| 08/23/1990 | DE3914883C1 Chimney sweeping appliance with silicone-coated cleaning spider - adapts to chimney profile in situ |
| 08/21/1990 | US4949418 Chimney cleaning apparatus |
| 07/17/1990 | WO1990008084A1 Transfer chambers for the conveyor in a pneumatic transport system |
| 07/17/1990 | CA2047172A1 Transfer chambers for the conveyor in a pneumatic transport system |
| 07/04/1990 | CN1008660B Soot blower |
| 07/03/1990 | US4937939 Remotedly operated chimney chisel |