Patents
Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401)
04/1985
04/17/1985EP0137430A2 Chequer-brick for vertical cowpers and cowper chequerwork constructed from these chequer-bricks
04/02/1985US4508504 Blast heating apparatus for blast furnaces
01/1985
01/08/1985US4492568 Process and apparatus for preheating the combustion mediums used for firing blast furnace stoves
10/1984
10/23/1984US4478575 In a stove for preheating air to be fed to a blast furnace
10/16/1984CA1176054A1 Blast furnace stove outlet
09/1984
09/11/1984US4470800 Ceramic burner for a hot blast stove
07/1984
07/17/1984US4460335 System for preventing excess pressure in a gap between a double-shell structure of a blast heating apparatus
06/1984
06/05/1984US4452586 Method of blast heating
06/05/1984US4452585 Combustion air blower surge control for a melting furnace
06/05/1984CA1168443A1 Method and apparatus for generating a hot air blast
05/1984
05/15/1984CA1167257A1 Heat exchanger, especially blast preheater (or cowper) for blast furnaces, process for the temperature regulation of gas and blast for the blast furnace, as well as use of the process
05/02/1984EP0107229A1 Hollow refractory prismatic stone for the stacks of regenerative-oven chambers
04/1984
04/24/1984US4444555 Method for reducing stress corrosion cracking in high-temperature regenerative air heaters
03/1984
03/13/1984US4436508 Ceramic burner for gas, particularly for a hot-blast stove for a blast furnace
03/06/1984US4435157 Heat exchanger construction and method of operation
02/1984
02/28/1984US4434004 Method for recovery and recycling of heat from hot gases in metallurigical processing
02/07/1984CA1161637A1 Installation and process for the production of hot air
12/1983
12/06/1983US4419075 Blast furnace stove wall
10/1983
10/05/1983EP0090096A1 A ceramic burner for gas, particularly for a hot-blast stove for a blast furnace
06/1983
06/29/1983EP0082309A1 Ceramic burner for a hot-blast stove
06/28/1983US4390346 Apparatus for mixing at least one additional gas into a main flow of gas
05/1983
05/03/1983CA1145545A1 Regenerative air preheater with improved insulation between combustion and checker shaft
03/1983
03/08/1983US4375956 Hot blast stove arrangement for a blast furnace
02/1983
02/08/1983CA1140752A1 Blast stove
01/1983
01/25/1983US4369954 Regenerative air preheater with improved insulation between combustion chamber and checker shaft
12/1982
12/21/1982US4364726 Ceramic burner head with separate fuel and oxidizer passages
11/1982
11/23/1982CA1136066A1 Method and apparatus for controlling the proportions of the atmospheric constituents oxygen, nitrogen, carbon dioxide, and water-content in reaction processes in the metallurgical field
10/1982
10/19/1982US4354669 Apparatus for regulating the quantities and percentages of the gaseous constituents of oxygen, nitrogen, carbon dioxide and water in reaction processes in metallurgical applications
10/19/1982US4354665 Valve for opening and closing a fluid conduit
10/19/1982CA1133894A1 Method and apparatus for recovering and reusing heat from hot gases
10/12/1982US4353688 Baffle structure for blast furnace stove
09/1982
09/07/1982CA1131017A1 Blast stove
08/1982
08/24/1982US4345939 Method for providing oxygen enhanced air for use in metallurgical processes
07/1982
07/28/1982EP0056603A1 Heat exchanger, in particular air-heater for blast furnace, process for regulating the temperature of gas and air for the blast furnace and application thereof
07/06/1982US4337789 Shut-off valve for interrupting a flow of a fluid through a pipeline
06/1982
06/15/1982US4334861 Method and apparatus for generating a hot air blast
06/01/1982CA1124701A1 Valve for opening and closing a fluid conduit
04/1982
04/20/1982CA1122004A1 Refractory brick walls
03/1982
03/30/1982US4322205 Regenerative air heater
03/09/1982CA1119400A1 Hot blast stove breast wall
02/1982
02/02/1982US4313724 Ceramic burner for use in an air heater
01/1982
01/19/1982US4311456 Blast furnace stove
12/1981
12/08/1981CA1113988A1 Cooled regulating damper for hot gas conduits and method of cooling a damper
12/01/1981CA1113450A1 Mixing chamber for mixing hot and cold blast for a blast furnace
10/1981
10/27/1981US4296776 Gate valve for use in large size conduits
10/06/1981US4292993 Closure plate for hot blast slide valves
09/1981
09/23/1981EP0036177A1 Fluidized bed heat exchanger
09/22/1981US4290751 Blast furnace stove
08/1981
08/04/1981CA1106181A1 Gasmixer
07/1981
07/29/1981EP0032523A2 Process and device for recovering and reutilizing heat from hot gases, especially from the exhaust gases of metallurgical processes and the use of this process
07/07/1981US4276956 Swing scaffold for hot blast stove checker chamber relining
03/1981
03/31/1981US4259064 Ceramic burner
03/03/1981US4253410 Relief brickwork over opening in refractory brick wall
03/03/1981CA1096806A1 High efficiency coke oven regenerator checker brick
02/1981
02/03/1981US4248407 Cast house emissions recycle system
01/1981
01/20/1981CA1094008A1 Hot blast stove erection process
12/1980
12/16/1980CA1091574A1 Humidification and heating of gases
12/09/1980US4237854 Damper construction and a method of cooling a damper
11/1980
11/26/1980EP0019325A1 Apparatus for mixing additional gas into a main flow of gas
11/25/1980US4235593 Blast stove
10/1980
10/21/1980CA1087839A1 Bleed valves
09/1980
09/09/1980US4221537 Hot blast stove erection process
08/1980
08/26/1980CA1084265A1 Hot blast or hot gas valve
06/1980
06/25/1980EP0012308A1 Ceramic burner head for separately supplying fuel gas and oxidizing agent to the combustion chamber
06/24/1980CA1080211A1 Method for operating a hot blast stove
05/1980
05/06/1980US4201543 Hot blast stove breast wall
04/1980
04/29/1980CA1076352A1 Hot blast stoves
01/1980
01/15/1980CA1069692A1 Ceramic burner for a blast stove
01/09/1980EP0006099A1 Apparatus for dehydration of air
12/1979
12/11/1979US4178158 Apparatus for wet process dehydration of air to be supplied to blast furnace
11/1979
11/06/1979CA1065608A1 Blast furnace air heater
10/1979
10/02/1979US4169700 Burner for a regenerative hot blast stove
08/1979
08/07/1979CA1059760A1 Method of operating the heating stoves
07/1979
07/31/1979CA1059496A1 Ventilated poppet damper
07/17/1979CA1058403A1 Blast furnace stove
06/1979
06/19/1979US4158367 Valve system and improved actuator therefor
05/1979
05/22/1979US4155377 Hot fluid-conducting pipe assembly
04/1979
04/24/1979US4150817 Mixing chamber
03/1979
03/27/1979US4146213 Hot blast or hot gas valve
03/20/1979US4145033 Hot blast stove and method of operation
02/1979
02/20/1979CA1048780A1 Apparatus for plugging holes in a metallurgical furnace
02/13/1979CA1048268A1 Stove of blast furnace
11/1978
11/28/1978US4127257 Process for operating a plurality of regenerative hot blast stoves for supplying hot blast to a blast furnace
08/1978
08/22/1978US4108733 High efficiency coke oven regenerator checker brick
08/01/1978US4103708 Ventilated poppet damper
04/1978
04/25/1978US4086052 Ceramic burner for combustion chamber for hot-blast stove
02/1978
02/28/1978US4075812 Refractory checkerwork
10/1977
10/18/1977US4054409 Swirling burners for use in hot blast stoves
05/1977
05/17/1977US4023782 Tuyere stock and compensator joint therefore
05/10/1977US4022573 Hot blast stove and method of operation
05/10/1977US4022572 Hot-blast furnace with foamed silicate inner layer
04/1977
04/19/1977US4018420 Slide valve for closing a large pressurized gas conveying pipe
04/05/1977US4015547 Supporting device for blast-furnace hot-blast main
02/1977
02/01/1977US4005982 Hot-blast stove for a blast furnace
01/1977
01/18/1977US4003695 Stove of blast furnace
11/1976
11/30/1976US3994315 Control apparatus for air blast preheaters of blast furnaces
07/1976
07/20/1976US3970109 Shutoff and control slide
06/1976
06/29/1976US3966393 Hot blast stove apparatus
04/1976
04/20/1976US3951586 Method of operating the heating stoves
03/1976
03/30/1976US3947245 Hot blast stove
1 ... 4 5 6 7 8 9 10 11 12 13 14 15