| Patents for F23J 1 - Removing ash, clinker, or slag from combustion chambers (3,441) |
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| 09/20/1990 | WO1990010826A1 Grate arrangement and process for incineration of refuse and waste |
| 09/13/1990 | DE3937866A1 Rostanordnung und verfahren zum verbrennen von muell und abfall Grate arrangement and method for burning of trash and waste |
| 09/04/1990 | US4953255 Portable hot ash vacuum |
| 08/29/1990 | CN2061250U Rotating roller clinker pusher |
| 08/08/1990 | EP0381195A1 Incinerating furnace |
| 08/08/1990 | CN2060200U Disk cleanout machine |
| 07/17/1990 | WO1990008085A1 Transfer chambers for the conveyor in a pneumatic transport system |
| 07/17/1990 | WO1990008084A1 Transfer chambers for the conveyor in a pneumatic transport system |
| 07/17/1990 | US4941415 Municipal waste thermal oxidation system |
| 07/17/1990 | CA2047194A1 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 | EP0376690A1 Fired product utilizing incineration ash and method of production thereof |
| 06/28/1990 | CA2006854A1 Fired product utilizing incineration ash and producing method thereof |
| 05/23/1990 | CN1042412A High temp. ash-dregs cooler of normal pressure boiling furnace |
| 05/09/1990 | CN2056963U Separately cast phi-letter shaped chain |
| 05/02/1990 | CN2056727U Scraper for slag |
| 05/01/1990 | CA1268495A1 Rotating drum end seal |
| 04/19/1990 | WO1990003856A1 Process and device for processing slag and other combustion residues from waste incineration plants |
| 04/18/1990 | EP0363645A1 Deslagging device for combustion installations |
| 04/18/1990 | EP0320036B1 Process for the separation of ashes at the combustion of coal to produce gas |
| 04/03/1990 | US4913067 Stoker construction |
| 04/03/1990 | US4913066 Rotary combustor having a material removal device |
| 03/22/1990 | WO1990002910A1 Method and apparatus for using hazardous waste to form non-hazardous aggregate |
| 03/07/1990 | EP0356697A2 Staged down draught combustion device for alternative fuels |
| 03/07/1990 | CN1007058B Equipment for melting material |
| 02/27/1990 | US4903617 Process of removing the ash from the gas produced by the combustion of coal |
| 02/21/1990 | CN2053297U Household coal stove with automatic ash ejector |
| 02/20/1990 | US4901706 Ash mat |
| 02/20/1990 | US4901652 Accumulating and conveying incinerator ash |
| 01/25/1990 | WO1990000702A1 A power plant with a screw conveyor ash cooler |
| 01/10/1990 | CN2050931U Drying ash discharging device for electric power generation by use of rice husk |
| 12/19/1989 | US4887539 Process and apparatus for continuous dry removal of bottom |
| 12/05/1989 | US4884515 Furnance hearth ashbox with extractor chamber that is easy to unjam |
| 11/29/1989 | EP0343170A1 Dry ash handling system for an incinerator. |
| 11/21/1989 | CA1263057A1 Apparatus for the combustion of solid fuels |
| 11/16/1989 | DE3815632A1 Process for melting ash and other ceramic materials having harmful constituents |
| 11/15/1989 | CN2047756U Coal ash removing clean bucket for stove |
| 11/08/1989 | CN2047335U High-temp. slag cooler of normal pressure boiling furnace |
| 10/04/1989 | CN1036071A Indexing sootblower |
| 09/28/1989 | DE3809050A1 Wet ash remover |
| 09/26/1989 | US4868949 Ash vacuum adapter |
| 09/13/1989 | CN2044329U Dust remover for honeycomb briquet stove |
| 09/06/1989 | EP0330872A2 Method for continuous agglomeration of heavy metals contained in incinerator ash |
| 08/31/1989 | DE3805943A1 Verfahren und vorrichtung zum schmelzen fester ballaststoffe A method and apparatus for melting solid ballaststoffe |
| 08/30/1989 | CN2043721U Sanitary and clean stove |
| 08/23/1989 | EP0252967B1 Apparatus for continuous dry removal of bottom ash |
| 08/23/1989 | CN1034988A Moveable-piperow dust blower |
| 08/22/1989 | US4858536 Ash pan assembly for wood burning stove |
| 08/02/1989 | EP0326442A1 Ash pit for a fireplace of a boiler with an easy-to-clean ash extraction box |
| 07/26/1989 | EP0324775A1 Furnace. |
| 07/26/1989 | CN2041777U Reciprocating type discharge dust device |
| 07/18/1989 | US4848250 Exothermic reaction producing thermal energy, metal and slag |
| 07/12/1989 | CN2040996U Totally enclosed air-distributing device capable of discharging cinder by chain and grate |
| 07/12/1989 | CN2040995U Combined type gas-locked cinder conveyer |
| 07/05/1989 | CN1033684A Pipe with lined rubber of duct-extraction system in heat and power plant |
| 06/28/1989 | CN2040223U Sediment scraper |
| 06/20/1989 | US4840132 Rotary combustor |
| 06/20/1989 | US4840130 Waste disposal system |
| 06/14/1989 | EP0320036A1 Process for the separation of ashes at the combustion of coal to produce gas |
| 06/14/1989 | CN2039388U Reinforcement and seal device for boiler shutoff door |
| 04/18/1989 | CA1252671A1 Incinerator |
| 03/29/1989 | CN2035041U Single-chain external-circulating scraper type slag remover |
| 03/22/1989 | CN2034653U Removing ashgun for boiler |
| 02/01/1989 | CN2031875U Continuous slag removing device for atmospheric fluidizing reactor |
| 01/31/1989 | US4800824 Pyrolytic incineration system |
| 01/19/1989 | DE3739708C1 Apparatus for deashing firing boilers and the like |
| 01/17/1989 | US4798150 Apparatus for handling ash |
| 01/11/1989 | EP0138880B1 Particulate waste product combustion system |
| 12/22/1988 | DE3718484A1 Feuerungsanlage Furnace |
| 12/13/1988 | US4790251 High pressure and high temperature ash discharge system |
| 12/13/1988 | US4790250 Dry ash handling system for an incinerator |
| 12/01/1988 | WO1988009462A1 Dry ash handling system |
| 11/23/1988 | CN88212286U Automatic clinker-removing device for coal range |
| 11/16/1988 | CN87103310A Blast furnace gas dry dusting-back blowing control method for cloth-envelope duster |
| 11/09/1988 | EP0289487A1 Slagging combustion system. |
| 11/08/1988 | US4782769 Solidification of molten metal |
| 11/01/1988 | CA1243901A1 Apparatus for separating fluidizing medium and incombustible residue |
| 10/27/1988 | DE3712380A1 Device for removing slag from an afterburner chamber of an incinerator for industrial wastes |
| 10/04/1988 | US4774908 Dry ash handling system |
| 09/20/1988 | US4771711 Furnace |
| 09/13/1988 | US4770110 Conveyor for removing burnt residue from an incinerator |
| 08/30/1988 | US4766824 Burner especially for burning biomass |
| 08/11/1988 | WO1988005888A1 Dry ash handling system for an incinerator |
| 08/02/1988 | US4760667 Combustion of a carbonaceous fuel with oxygen in a reactor |
| 08/02/1988 | CA1239834A1 Method and device for firing solid fuels, mainly in the form of lumps or pieces |
| 07/20/1988 | CN86108138A Slagging conbustion system |
| 06/22/1988 | EP0271642A2 Device for burning coal dust |
| 06/22/1988 | CN87205439U Fully automatic boiler ash remover with air lock |
| 05/19/1988 | DE3638833A1 Device for deslagging the tap hole of boilers with liquid slag discharge |
| 05/17/1988 | US4744314 Ash removal apparatus for an incinerator |
| 05/17/1988 | US4744313 Air supply apparatus for an incinerator |
| 05/05/1988 | WO1988003247A1 Slagging combustion system |
| 05/04/1988 | CN87204260U Moveable ash removing device |
| 04/21/1988 | WO1988002834A1 Furnace |
| 04/05/1988 | US4735189 Portable ash auger |
| 03/31/1988 | DE3632354A1 Firing place with underfeed stoking |
| 03/30/1988 | EP0144412B1 Screw conveyor for discharging solid residues in high temperature and over-pressure conditions |
| 03/24/1988 | DE3731140A1 Device for eliminating slag and ash from the combustion chamber |
| 03/23/1988 | CN87105538A 炉 Furnace |
| 03/22/1988 | US4732090 Heating furnace for recovery of energy from compacted paper, straw and like fuels |