Patents for F27D 25 - Devices for removing incrustations (926)
01/1993
01/07/1993EP0382827B1 Process and device for cleaning conveying channels
12/1992
12/02/1992EP0516369A1 Method and apparatus for deslagging a cyclone furnace
11/1992
11/26/1992WO1992020986A1 Method for decarburizing steel in a vacuum chamber, and vaccum chamber for implementing the method
11/19/1992EP0514246A1 Steel decarburation process in a vacuum treatment chamber and vacuum treatment chamber therefor
11/11/1992CN2121671U Ram oven machine
10/1992
10/29/1992WO1992018811A1 A method and device for ash discharge
07/1992
07/22/1992EP0339066B1 Process and device for cleaning the surface of the rollers of a roller hearth furnace
06/1992
06/03/1992CN2106340U Soaking pit for integral removing incrustation
05/1992
05/05/1992US5110554 Combustion furnace for burning sample to be analyzed
04/1992
04/29/1992CN2103117U Whole plastic shell case kiln bullet
03/1992
03/17/1992CA1297273C Treatment of refractory linings
02/1992
02/05/1992EP0469230A1 Heat resistant alloy foil lining for kilns and method of lining kiln
02/04/1992CA2032701A1 Heat resistant alloy foil lining for kilns and method of lining kiln
01/1992
01/21/1992US5082441 Apparatus for selectively breaking out deposits from and/or linings of rotary kilns
10/1991
10/09/1991EP0451045A1 Installation for removing of slag
09/1991
09/03/1991US5044612 Apparatus to clean refractory-lined conveyor troughs
06/1991
06/26/1991EP0434421A2 Protective layer for linings in metallurgical furnaces and the like
05/1991
05/14/1991US5015299 Concave-convex body sliding in a rotating cylinder for scraping walls to remove deposits
05/14/1991US5014965 Process and apparatus to clean a molten metal or slag conveyor trough
04/1991
04/24/1991EP0423579A1 Cleaning device for charging- and discharging-casting siphons of a furnace
04/16/1991US5007970 Cooling surface below softening point of deposits to harden for mechanical removal
04/16/1991CA1282956C Process and apparatus for removal of deposits and linings from horizontal cylinders
02/1991
02/07/1991CA2015524A1 Clean window for processing enclosure
01/1991
01/30/1991EP0410867A1 Process for cleaning hot surfaces of ovens as well as installation and granules for carrying it out
01/23/1991CN1011340B Method and apparatus for crushing deposit and masonry in cylindedr
01/17/1991DE4021391A1 Observation window cleaning in process chamber contg. fine particles - inert gas is fed into chamber behind lens through porous inner pipe and leaves via opening into main process chamber
01/09/1991EP0406481A1 Process and apparatus for the prevention or removal as appropriate of blockages in the outlet region of a cyclone heat-exchanger
01/06/1991CA2017470A1 Process for reducing contamination of high temperature melts
01/06/1991CA2012238A1 Furnace enclosure having a clear viewpath
11/1990
11/14/1990EP0271557B1 Treatment of refractory linings
10/1990
10/17/1990EP0392068A1 Vacuum induction furnace
10/09/1990US4961683 Device for aligning and lifting blocks in kiln cars
09/1990
09/27/1990DE3919715C1 Cyclone heat exchanger for powders - has tapered outlet connected to enlarged second with sloping part, opening into discharge pipe
09/25/1990US4959841 Process for reducing contamination of high temperature melts
07/1990
07/31/1990US4944670 Self-cleaning burner
07/25/1990EP0379025A2 Combustion furnace for burning sample to be analyzed
07/10/1990US4940408 For firing molded ceramic green product
05/1990
05/30/1990EP0227681B1 Manipulator at furnaces and the like
05/02/1990CN2056741U Remote open magnetic seal door
05/01/1990CA1268324A1 Mobile apparatus for cleaning remnants of carbon blocks
04/1990
04/25/1990EP0364825A1 Apparatus for taking discontinuous measurements on molten metal
04/17/1990US4918705 Furnace enclosure having a clear viewpath
02/1990
02/22/1990WO1990001666A1 Device for cleaning conveying channels with a refractory coating
02/22/1990WO1990001665A1 Process and device for cleaning conveying channels
02/13/1990CA1265784A1 Method and apparatus for recovering heat from gases containing substances which contaminate heat transfer surfaces
01/1990
01/24/1990CN1039103A Apparatus for breaking small range of scale and masonry in rotary kiln
12/1989
12/19/1989US4887539 Process and apparatus for continuous dry removal of bottom
11/1989
11/23/1989EP0342417A1 Process and device for removing settlings on the insides of rotary drums in lying position
11/08/1989EP0340438A1 Device for breaking small parts of the settlings and the linings in rotary drum furnaces
11/02/1989EP0339066A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace
10/1989
10/10/1989US4872834 Recovery boiler port cleaner
10/03/1989US4871211 Method of restoring refractory lining for repeated use using thermal shock and milling procedures
09/1989
09/13/1989EP0331937A1 Roll hearth furnace for heating slabs, ingots, billets, metal sheets and similar materials
08/1989
08/29/1989US4861112 Apparatus for cleaning aluminum cells
08/23/1989EP0252967B1 Apparatus for continuous dry removal of bottom ash
08/15/1989US4856987 Tunnel kiln for ceramic firing
06/1989
06/28/1989EP0321689A2 Device for a thermometer or for a gas bubbling lance for liquid metals or the like, especially for aluminum
06/14/1989EP0320037A1 Method and device for treating kiln cars
05/1989
05/05/1989WO1989003967A1 Process and device for cleaning the surface of the rollers of a roller hearth furnace
12/1988
12/01/1988DE3716444A1 Process and plant for purifying contaminated bulk goods
11/1988
11/01/1988CA1243839A1 Method for preventing dust depositions or build-ups in off-gas channels of electrothermal smelting furnaces
10/1988
10/04/1988US4775315 Process and apparatus for removal of deposits and linings from horizontal cylinders
08/1988
08/30/1988US4767438 Apparatus for cleaning material transporting rollers
05/1988
05/31/1988US4747582 Manipulator at furnaces
05/19/1988DE3637848A1 Induction furnace with clearing machine
01/1988
01/20/1988EP0252967A1 Apparatus for continuous dry removal of bottom ash.
01/14/1988WO1988000322A1 Treatment of refractory linings
10/1987
10/20/1987US4701249 Mobile apparatus for cleaning remnants of carbon anode blocks
07/1987
07/16/1987WO1987004231A1 Process and apparatus for continuous dry removal of bottom ash
06/1987
06/30/1987US4676486 Preventing attack of refractory containment by slag
04/1987
04/22/1987EP0219061A1 The removal of furnace linings
04/16/1987DE3536788A1 Mobile clearing machine
04/14/1987US4657588 Magnesium treatment, desulfurization
03/1987
03/17/1987US4649807 Method for preventing dust depositions or build-ups in off-gas channels of electrothermal smelting furnaces
01/1987
01/06/1987USH194 Abrasive blasting of radioactive particles from nuclear fuel pin; pressurized grit
12/1986
12/30/1986EP0205651A1 Process and device to remove deposits and linings from reposing drums, in particular those in rotative drum furnaces
12/03/1986CN85107490A Method and apparatus for crushing deposit and masonry in cylinder
10/1986
10/21/1986CA1212977A1 Methods of vacuum arc melting
08/1986
08/13/1986CN86100876A Method of keeping inductor spouts, downgates and outlet channel free or deposits in connection with a cast iron melt
07/1986
07/15/1986US4599967 For cleaning/deskulling a protruding nozzle
06/1986
06/04/1986EP0183613A1 Induction furnace with vertical channels
05/1986
05/06/1986US4586895 Method of removing slag from oxygen fuel burner
04/1986
04/24/1986WO1986002437A1 Manipulator at furnaces and the like
03/1986
03/25/1986CA1202177A1 Nonferrous metal smelting unit
09/1985
09/10/1985US4539725 Apparatus for cleaning furnace walls
04/1985
04/16/1985US4511125 Ladle scraper mechanism
04/16/1985US4511124 Method and composition for fluidization of accumulated pit scrap in soaking pits
06/1984
06/19/1984CA1169246A1 Apparatus for separating agglomerated particulate matter
05/1984
05/22/1984US4449671 Apparatus for separating agglomerated particulate matter
02/1984
02/14/1984US4431443 Methods of vacuum arc melting
10/1983
10/04/1983US4407392 Safety scaffold for metal melting furnaces
05/1983
05/10/1983CA1145949A1 Method of removal of slag deposits from the bottom of a furnace
04/1983
04/06/1983EP0075725A2 Device and process for removing ashes from a tunnel kiln car loaded with burned bricks
03/1983
03/01/1983CA1141953A1 Mechanical punching device for punching the tuyeres of a converter
02/1983
02/15/1983US4373706 Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys
09/1982
09/21/1982US4350324 By adding a substance that lowers the melting point of the slag, and a substance which causes an exothermic reaction
05/1982
05/18/1982CA1123688A1 Soot blower for pressurized furnace
03/1982
03/09/1982US4318690 Venting process for organic heat transfer media
12/1981
12/01/1981US4303229 Mechanical punching device for punching the tuyeres of a converter
08/1981
08/25/1981US4285504 Tuyere sealing means and silencer
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