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公开(公告)号：EP2432903A1
公开(公告)日：2012-03-28
申请号：EP10723003.9
申请日：2010-05-18
CPC分类号： C21B9/16 , C21B5/06 , C21B2100/64 , F27B1/16 , F27D99/0033 , Y02P10/283
摘要： The present invention proposes a device (10) for regulating the temperature of a gas in a hot gas main for feeding hot gas to a blast furnace. Such a device (10) comprises a mixing pot (14) with a first mixing chamber (16) and a second mixing chamber (18), the first and second mixing chambers (16, 18) being in fluid communication with each other by means of a Venturi-type restriction (20). The first mixing chamber (16) is provided with a first inlet port (22) for feeding hot gas into the first mixing chamber (16), a second inlet port (26) for feeding cold gas into the first mixing chamber (16) and a third inlet port (56) for feeding cold gas into the second mixing chamber (18). The first mixing chamber (16) is further provided with a first outlet port (42) for feeding a first stream of mixed gas from the first mixing chamber (16) to a first gas distribution system (46), while the second mixing chamber (18) is provided with a second outlet port (60) for feeding a second stream of mixed gas from the second mixing chamber (18) to a second gas distribution system (64). The first stream of mixed gas has a temperature different from a temperature of the second stream of mixed gas.
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公开(公告)号：EP2751293A1
公开(公告)日：2014-07-09
申请号：EP12750579.0
申请日：2012-08-13
发明人： ESCHMANN, Friedrich , ALLMANNSDÖRFER, Ralf , MÜNZER, Johannes , HEILHECKER, Sylvia , SIMOES, Jean-Paul
CPC分类号： C21B9/14 , C21B5/06 , C21B2100/02 , C21B2100/04 , C21B2100/06 , Y02P10/122 , Y02P10/126 , Y02P10/128 , Y02P10/132 , Y02P10/265 , Y02P10/283
摘要： In a blast furnace plant (10), at least three regenerative heaters (14.1, 14.2, 14.3) are cyclically operated on blast and on gas: while a regenerative heater is operated on gas, hot flue gas is produced and caused to flow through the regenerative heater so as to heat the heat storage elements (46); and while a regenerative heater is operated on blast, process gas (32), i.e. a CO-rich fraction of the top gas (16), is blown through the regenerative heater so that the process gas takes up heat from the heat storage elements. During a changeover of a regenerative heater from on-blast to on-gas operation, the regenerative heater is purged from process gas using flue gas collected after having flown through at least one of the regenerative heaters.
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公开(公告)号：EP2510283B1
公开(公告)日：2013-07-03
申请号：EP10787770.6
申请日：2010-12-08
IPC分类号： F23D14/22
CPC分类号： F23D14/22 , F23C2900/03005
摘要： The present invention proposes a burner unit (10) for steel making facilities, in particular for use in connection with a regenerative or recuperative heat generator, wherein the burner unit (10) comprises a mixing zone (18); a plurality of fuel feed channels (32) for feeding combustible fuel to the mixing zone (18); and a plurality of air feed channels (34) for feeding combustion air to the mixing zone (18). According to an important aspect of the invention, the burner unit (10) comprises a primary burner (42) with an annular feed arrangement (30) comprising circumferentially alternating fuel feed channels (32) and air feed channels (34); a central channel (44) through the annular feed arrangement (30) and a secondary burner (46) arranged in the central channel (44) of the burner unit (10), the central channel (44) being coaxial with the annular feed arrangement (30).
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公开(公告)号：EP2510283A2
公开(公告)日：2012-10-17
申请号：EP10787770.6
申请日：2010-12-08
IPC分类号： F23D14/22
CPC分类号： F23D14/22 , F23C2900/03005
摘要： The present invention proposes a burner unit (10) for steel making facilities, in particular for use in connection with a regenerative or recuperative heat generator, wherein the burner unit (10) comprises a mixing zone (18); a plurality of fuel feed channels (32) for feeding combustible fuel to the mixing zone (18); and a plurality of air feed channels (34) for feeding combustion air to the mixing zone (18). According to an important aspect of the invention, the burner unit (10) comprises a primary burner (42) with an annular feed arrangement (30) comprising circumferentially alternating fuel feed channels (32) and air feed channels (34); a central channel (44) through the annular feed arrangement (30) and a secondary burner (46) arranged in the central channel (44) of the burner unit (10), the central channel (44) being coaxial with the annular feed arrangement (30).
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公开(公告)号：EP2751293B1
公开(公告)日：2015-03-11
申请号：EP12750579.0
申请日：2012-08-13
发明人： ESCHMANN, Friedrich , ALLMANNSDÖRFER, Ralf , MÜNZER, Johannes , HEILHECKER, Sylvia , SIMOES, Jean-Paul
CPC分类号： C21B9/14 , C21B5/06 , C21B2100/02 , C21B2100/04 , C21B2100/06 , Y02P10/122 , Y02P10/126 , Y02P10/128 , Y02P10/132 , Y02P10/265 , Y02P10/283
摘要： In a blast furnace plant (10), at least three regenerative heaters (14.1, 14.2, 14.3) are cyclically operated on blast and on gas: while a regenerative heater is operated on gas, hot flue gas is produced and caused to flow through the regenerative heater so as to heat the heat storage elements (46); and while a regenerative heater is operated on blast, process gas (32), i.e. a CO-rich fraction of the top gas (16), is blown through the regenerative heater so that the process gas takes up heat from the heat storage elements. During a changeover of a regenerative heater from on-blast to on-gas operation, the regenerative heater is purged from process gas using flue gas collected after having flown through at least one of the regenerative heaters.
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公开(公告)号：EP2432903B1
公开(公告)日：2013-05-01
申请号：EP10723003.9
申请日：2010-05-18
CPC分类号： C21B9/16 , C21B5/06 , C21B2100/64 , F27B1/16 , F27D99/0033 , Y02P10/283
摘要： The present invention proposes a device (10) for regulating the temperature of a gas in a hot gas main for feeding hot gas to a blast furnace. Such a device (10) comprises a mixing pot (14) with a first mixing chamber (16) and a second mixing chamber (18), the first and second mixing chambers (16, 18) being in fluid communication with each other by means of a Venturi-type restriction (20). The first mixing chamber (16) is provided with a first inlet port (22) for feeding hot gas into the first mixing chamber (16), a second inlet port (26) for feeding cold gas into the first mixing chamber (16) and a third inlet port (56) for feeding cold gas into the second mixing chamber (18). The first mixing chamber (16) is further provided with a first outlet port (42) for feeding a first stream of mixed gas from the first mixing chamber (16) to a first gas distribution system (46), while the second mixing chamber (18) is provided with a second outlet port (60) for feeding a second stream of mixed gas from the second mixing chamber (18) to a second gas distribution system (64). The first stream of mixed gas has a temperature different from a temperature of the second stream of mixed gas.
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公开(公告)号：EP2142853B1
公开(公告)日：2014-03-05
申请号：EP08749938.0
申请日：2008-04-30
CPC分类号： F23D14/22 , C21B9/04 , C21B9/06 , F27D99/0033
摘要： The present invention proposes a ceramic burner (20) for use in a combustion chamber (12) of a regenerative heat generator, such as a hot blast stove (10) of a blast furnace. The ceramic burner (20) comprises a burner feed chamber (21) with a partition wall (30) for dividing the burner feed chamber (21) into a fuel chamber (24) and an air chamber (28). The fuel chamber (24) has a fuel inlet (22) for receiving combustible fuel and a fuel outlet (32) for feeding the combustible fuel to a mixing zone (34). The air chamber (28) has an air inlet (26) for receiving combustion air and an air outlet (36) for feeding the combustion air to the mixing zone (34). According to an important aspect of the invention, the ceramic burner (20) further comprises a gastight metallic fuel container (48) arranged in the burner feed chamber (21), the fuel container (48) comprising the fuel chamber (24) therein, a wall portion of the fuel container (48) forming the partition wall (30) between the fuel chamber (24) and the air chamber (28).
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公开(公告)号：EP2142853A1
公开(公告)日：2010-01-13
申请号：EP08749938.0
申请日：2008-04-30
CPC分类号： F23D14/22 , C21B9/04 , C21B9/06 , F27D99/0033
摘要： The present invention proposes a ceramic burner (20) for use in a combustion chamber (12) of a regenerative heat generator, such as a hot blast stove (10) of a blast furnace. The ceramic burner (20) comprises a burner feed chamber (21 ) with a partition wall (30) for dividing the burner feed chamber (21 ) into a fuel chamber (24) and an air chamber (28). The fuel chamber (24) has a fuel inlet (22) for receiving combustible fuel and a fuel outlet (32) for feeding the combustible fuel to a mixing zone (34). The air chamber (28) has an air inlet (26) for receiving combustion air and an air outlet (36) for feeding the combustion air to the mixing zone (34). According to an important aspect of the invention, the ceramic burner (20) further comprises a gastight metallic fuel container (48) arranged in the burner feed chamber (21 ), the fuel container (48) comprising the fuel chamber (24) therein, a wall portion of the fuel container (48) forming the partition wall (30) between the fuel chamber (24) and the air chamber (28).
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