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公开(公告)号：EP1287170A4
公开(公告)日：2004-06-23
申请号：EP01935815
申请日：2001-05-29
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH
CPC classification number: C21C5/4606 , F27D3/18 , F27D2003/168
Abstract: An elongate metallurgical lance (27) for injecting solid particulate material into molten material held within a vessel (11) is disclosed. The lance includes a central core tube (31) through which to pass solid particulate material, an annular cooling jacket (32) surrounding the central core tube throughout a substantial part of its length, a coolant inlet means (52), and a coolant outlet means (53). An outer wall of a forward end section of the jacket is formed from a first material which has high heat transfer properties and can withstand external temperatures above 1100° C. for prolonged periods when the jacket is cooled by coolant flow. An outer wall of a body section of the jacket is formed from a second material that maintains its structural properties when exposed to external temperatures above 1100° C. for prolonged periods when the jacket is cooled by coolant flow, whereby the outer wall acts as a structural member that contributes to supporting the lance at these temperatures. The outer wall of the forward end section and the outer wall of the body section are welded together.
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公开(公告)号：EP1377689A4
公开(公告)日：2004-07-21
申请号：EP02717831
申请日：2002-04-10
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH , HARDIE GREGORY JOHN
CPC classification number: C21C5/4606 , F23D2214/00
Abstract: An injection lance (26) for injecting hot gas into a vessel includes an elongate gas flow duct (31) which receives hot gas from a gas inlet structure (32) and an elongate central tubular structure (33) which extends within gas flow duct (31) from its rear end to its forward end. Adjacent the forward end of duct (31), central structure (33) carries a series of flow directing vanes (34) for imparting swirl to the hot gas flow exiting the duct. The wall of duct (31) downstream from gas inlet (32) is internally water cooled by flow of water through annular passages (43,44). The cooling water also flows through the interior of a duct tip (36) at the forward end of duct (31). The front end of central structure (33) which carries the swirl vanes (34) is internally water cooled by cooling water supplied forwardly through a central water flow passage (52) from a water inlet (53) at the rear of the lance through to a nose (35) of the central structure. The cooling water returns back through the central structure via an annular water return passage (54) to a water outlet (55) at the rear end of the lance.
Abstract translation: 用于将热气体注入容器的注射喷枪（26）包括从气体入口结构（32）接收热气体的细长气流通道（31）和在气流通道（32）内延伸的细长中心管状结构（33） 31）从其后端到前端。 靠近导管31的前端，中心结构33带有一系列导流叶片34，用于给离开导管的热气流施加涡流。 在气体入口（32）下游的导管（31）的壁通过水流通过环形通道（43,44）而在内部被水冷却。 冷却水也流过管道（31）前端处的管道尖端（36）的内部。 承载旋流叶片（34）的中央结构（33）的前端通过从喷枪后部的进水口（53）通过中央水流通道（52）向前提供的冷却水而被内部水冷却， 中央结构的鼻子（35）。 冷却水通过环形回水通道（54）通过中央结构返回到喷枪后端的出水口（55）。
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公开(公告)号：EP1404881A4
公开(公告)日：2004-08-11
申请号：EP02742539
申请日：2002-07-08
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH , HARDIE GREGORY JOHN
CPC classification number: C21C5/4613
Abstract: A lance for injecting a pre-heated oxygen-containing gas into a vessel containing a bath of molten material is disclosed. The lance (26) includes an elongate gas flow duct (31) from which to discharge gas from the duct. The duct includes (i) inner and outer concentric carbon steel tubes (37, 39) which provide major structural support for the duct, (ii) cooling water supply and return passage means (43, 44) extending through the duct wall from the rear end to the forward end of the duct for supply and return of cooling water to the forward end of the duct, and (iii) a mechanical means in the form of lands (136) on the exterior surface of the duct adapted to hold a layer of frozen slag on the duct. The lance also includes a gas inlet (32) for introducing hot gas into the rear end of the duct. The lance also includes a tip means (36) joined to the concentric tubes at the forward end of the duct. The lance also includes a protective lining formed from a refractory or other material that is capable of protecting the duct from exposure to gas flow at 800-1400 DEG C through the duct. The lining is a non-metallic material with heat insulating properties when compared to the steel tubes. The lance also includes a swirl means (34) located in the duct for imparting swirl to gas flow through the forward end of the duct.
Abstract translation: 公开了一种用于将预热的含氧气体注入容纳熔融材料池的容器中的喷枪。 喷枪（26）包括细长的气体流动通道（31），气体从该通道从管道排出。 该管道包括（i）为管道提供主要结构支撑的内部和外部同心碳钢管（37,39），（ii）从后部延伸穿过管道壁的冷却水供应和返回通道装置（43,44） 终止于管道的前端以供应冷却水并将其返回到管道的前端;以及（iii）管道外表面上的台面形式的机械装置（136），其适于保持层 在风管上的冷冻炉渣。 该喷枪还包括用于将热气体引入管道后端的气体入口（32）。 该喷枪还包括在管道的前端连接到同心管的尖端装置（36）。 该喷枪还包括由耐火材料或其他材料形成的保护性内衬，该保护性内衬能够保护管道免于暴露于通过管道的800-1400℃的气流中。 与钢管相比，衬里是一种具有绝热性能的非金属材料。 该喷枪还包括一个位于管道中的涡流装置（34），用于对通过管道前端的气流施加涡流。
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公开(公告)号：CA2419508C
公开(公告)日：2010-10-19
申请号：CA2419508
申请日：2002-07-08
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH , HARDIE GREGORY JOHN
Abstract: A lance for injecting a pre-heated oxygen-containing gas into a vessel containing a bath of molten material is disclosed. The lance (26) includes an elongate gas flow duct (31) from which to discharge gas from the duct. The duct includes (i) inner and outer concentric carbon steel tubes (37, 39) which provide major structural support for the duct, (ii) cooling water supply and return passage means (43, 44) extending through the duct wall from the rear end to the forward end of the duct for supply and return of cooling water to the forward end of the duct, and (iii) a mechanical means in the form of lands (136) on the exterior surface of the duct adapted to hold a layer of frozen slag on the duct. The lance also includes a gas inlet (32) for introducing hot gas into the rear end of the duct. The lance also includes a tip means (36) joined to the concentric tubes at the forward end of the duct. The lance also includes a protective lining formed from a refractory or other material that is capable of protecting the duct from exposure to gas flow at 800-1400 ~C through the duct. The lining is a non-metallic material with heat insulating properties when compared to the steel tubes. The lance also includes a swirl means (34) located in the duct for imparting swirl to gas flow through the forward end of the duct.
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公开(公告)号：CA2410797C
公开(公告)日：2010-06-08
申请号：CA2410797
申请日：2002-04-10
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH , HARDIE GREGORY JOHN
Abstract: An injection lance (26) for injecting hot gas into a vessel includes an elongate gas flow duct (31) which receives hot gas from a gas inlet structure (32) and an elongate central tubular structure (33) which extends within gas flow duct (31) from its rear end to its forward end. Adjacent the forward end of duct (31), central structure (33) carries a series of flow directing vanes (34) for imparting swirl to the hot gas flow exiting the duct. The wall of duct (31) downstream from gas inlet (32) is internally water cooled by flow of water through annular passages (43,44). The cooling water also flows through the interior of a duct tip (36) at the forward end of duct (31). The front end of central structure (33) which carries the swirl vanes (34) is internally water cooled by cooling water supplied forwardly through a central water flow passage (52) from a water inlet (53) at the rear of the lance through to a nose (35) of the central structure. The cooling water returns back through the central structure via an annular water return passage (54) to a water outlet (55) at the rear end of the lance.
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Patent Agency Ranking
公开(公告)号：CA2409474C
公开(公告)日：2010-05-04
申请号：CA2409474
申请日：2001-05-29
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH
Abstract: An elongate metallurgical lance (27) for injecting solid particulate material into molten material held within a vessel (11) is disclosed. The lance includes a central core tube (31) through which to pass solid particulate material, an annular cooling jacket (32) surrounding the central core tube throughout a substantial part of its length, a coolant inlet means (52), and a coolant outlet means (53). An outer wall of a forward end section of the jacket is formed from a first material which has high heat transfer properties and can withstand external temperatures above 1100~C for prolonged periods when the jacket is cooled by coolant flow. An outer wall of a body section of the jacket is formed from a second material that maintains its structural properties when exposed to external temperatures above 1100~C for prolonged periods when the jacket is cooled by coolant flow, whereby the outer wall acts as a structural member that contributes to supporting the lance at these temperatures. The outer wall of the forward end section and the outer wall of the body section are welded together.
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公开(公告)号：CA2332724C
公开(公告)日：2008-04-01
申请号：CA2332724
申请日：2001-01-26
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH
IPC: C22B9/10 , F27B1/20 , C21B11/08 , C21B13/10 , C21C5/46 , C21C5/52 , C21C5/56 , C21C7/00 , C22B5/10 , F27B3/00 , F27B3/02 , F27B3/18 , F27B3/22 , F27D3/00 , F27D3/15 , F27D3/16 , F27D3/18 , F27D99/00
Abstract: A metallurgical lance for injecting solid particulate material into a smelting vessel including a central core tube through which to deliver the solids material and an annular cooling jacket surrounding the tube. The jacket includes a long hollow annular structure formed by outer and inner tubes interconnected by a front end connector. An elongate tubular structure is disposed within the annular structure to divide the interior thereof into an inner and outer annular water flow passages. The tubular structure has a forward end piece fitting within the front end connector to form an annular end flow passage which interconnects the forward ends of the inner and outer flow passages. The effective cross-sectional area for water flow through the annular end passage is less than the cross- sectional flow area of the inner and outer passages to produce a high water flow rate in the tip region of the cooling jacket.
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公开(公告)号：MY134762A
公开(公告)日：2007-12-31
申请号：MYPI20012526
申请日：2001-05-28
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH
Abstract: AN ELOGATE METALLUGICAL LANCE (27) FOR INJECTING SOLID PARTICULATE MATERIAL INTO MOLTEN MATERIAL HELD WITHIN A VESSEL (11) IS DISCLOSED. THE LANCE INCLUDES A CENTRAL CORE TUBE (31) THROUGH WHICH TO PASS SOLID PARTICULATE MATERIAL, AN ANNULAR COOLING JACKET (32) SURROUNDING THE CENTRAL CORE TUBE TROUGHOUT A SUBSTANTIAL PART OF ITS LENGTH, A COOLANT INLET MEANS (52), AND A COOLANT OUTLET MEANS (53). AN OUTER WALL OF A FORWARD END SECTION OF THE JACKET ID FORMED FROM A FIRST MATERIAL WHICH HAS HIGH HEAT TRANSFER PROPERTIES AND CAN WITHSTAND EXTERNAL TEMPERATURES ABOVE 1100°C FOR PROLOGED PERIODS WHEN THE JACKET IS COOLED BY COOLANT FLOW. AN OUTER WALL OF A BODY SECTION OF THE JACKET IS FORMED FORM A SECTIN MATERIAL THAT MAINTAINS ITS STRUCTURAL PROPERTIES WHEN EXPOSED TO EXTERNAL TEMPERATURES ABOVE 1100°C FOR PROLONGED PERIODS WHEN THE JACKET IS COOLED BY COOLANT FLOW, WHEREBY THE OUTER WALL ACTS AS A STRUCTURAL MEMBER THAT CONTRIBUTES TO SUPPORTING THE LANCE AT THESE TEMPERATURES. THE OUTER WALL OF THE THE LANCE AT THESE TEMPERATURES. THE OUTER WALL OF THE FORWARD AND SECTION AND THE OUTER WALL OF THE BODY SECTION ARE WELDED TOGETHER.(FIG 2A)
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公开(公告)号：AU2002248959B2
公开(公告)日：2006-10-05
申请号：AU2002248959
申请日：2002-04-10
Applicant: TECH RESOURCES PTY LTD
Inventor： HARDIE GREGORY JOHN , DUNNE MARTIN JOSEPH
IPC: C21C5/46
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公开(公告)号：AU2004242510A1
公开(公告)日：2005-01-27
申请号：AU2004242510
申请日：2004-12-21
Applicant: TECH RESOURCES PTY LTD
Inventor： DUNNE MARTIN JOSEPH , GURR MATTHEW JOHN
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