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    • 2. 发明申请
    • sERFAHREN UND VORRICHTUNGEN ZUM ERWÄRMEN EINES KONTINUIERLICHEN FESTSTOFFSTROMS
    • sERFAHREN以及加热的连续固体流装置
    • WO2003064950A1
    • 2003-08-07
    • PCT/EP2003/050003
    • 2003-01-27
    • PAUL WURTH S.A.KROEMMER, YvanGOEDERT, PaulSCHMIT, Louis
    • KROEMMER, YvanGOEDERT, PaulSCHMIT, Louis
    • F28D13/00
    • C21B5/003F27B15/02F28D13/00
    • Ein pneumatisch förderbarer Feststoffstrom wird kontinuierlich in einen Druckbehälter (42) eingetragen, worin durch Zugabe eines Auflockerungsgases ein Wirbelbett aufrechterhalten wird, das durch Wärmeaustausch mit einem Wärmeträger (58) erwärmt wird. Ein Feststoff/Gas-Gemisch wird kontinuierlich aus dem Wirbelbett entnommen und durch Schwerkraft- oder Fliehkraft-Abscheidung in eine schwachbeladene Gasphase und ein stark verdichtetes Feststoff/Gas-Gemisch aufgeteilt. Das stark verdichtete Feststoff/Gas-Gemisch wird dann kontinuierlich in eine pneumatische Förderleitung (221) ausgetragen und hierin pneumatisch weiterbefördert. Der Feststoffinhalt des Druckbehälters (42) wird kontinuierlich überwacht. Über einen geregelten Gasabzug (68) aus der schwachbeladenen Gasphase wird die kontinuierlich Austragung des stark verdichteten Feststoff/Gas-Gemischs in die pneumatische Förderleitung (221) derart geregelt, dass der Feststoffinhalt des Druckbehälters (42) stets weitgehend konstant bleibt.
    • 气动输送的固体流连续地引入到压力容器(42),流化床通过加入其通过用热载体(58)的热交换加热的松动气体的方法,其中维持。 的固体/气体混合物被连续从流化床取出并且在弱载货气相通过重力或离心分离划分并高度压缩固体/气体混合物。 高度压缩的固体/气体混合物然后连续排出到气体输送管道(221)并且在此气动输送。 所述压力容器(42)的固体含量被连续监测。 高度压缩的固体/气体混合物的连续排放到气体输送管道(221)以这样的调节的气体出口(68)从所述弱含尘气体相位受控的,在所述压力容器(42)的固体含量总是保持基本恒定。
    • 3. 发明申请
    • PULVERIZED COAL INJECTION LANCE
    • 粉煤喷射
    • WO2008006764A1
    • 2008-01-17
    • PCT/EP2007/056795
    • 2007-07-05
    • PAUL WURTH S.A.KROEMMER, YvanGOEDERT, PaulSTAMATAKIS, Georges
    • KROEMMER, YvanGOEDERT, PaulSTAMATAKIS, Georges
    • C21B5/00C21B7/16
    • C21B5/003C21B7/163C21C5/5217F23D1/00F23L7/007F27D1/18Y02E20/322Y02E20/344Y02P10/216Y02P10/34
    • The present invention proposes a pulverized coal injection lance (10) for feeding pulverized coal from a rear end of the lance (10) to a front end (11) of the lance (10). The lance (10) comprises an outer pipe (12) for conveying combustive gas, and an inner pipe (14), coaxially arranged within the outer pipe (12), for conveying pulverized coal. The inner pipe (14) forms a separation wall for separating the pulverized coal from the combustive gas. The separation wall is at least partially discontinued in a region near the front end (11) of the lance (10), thereby forming a mixing region (16) within the pulverized coal injection lance (10). According to an important aspect of the invention, the outer pipe (12) and the inner pipe (14) have substantially the same length and wherein the inner pipe (14) comprises at least one lateral opening (18, 20) for allowing pulverized coal and combustive gas to come into contact within the pulverized coal injection lance (10) near the front end (11).
    • 本发明提出一种用于将粉煤从喷枪(10)的后端供给到喷枪(10)的前端(11)的粉煤喷枪(10)。 喷枪(10)包括用于输送可燃气体的外管(12)和同轴布置在外管(12)内的用于输送粉煤的内管(14)。 内管(14)形成用于将粉煤与可燃气体分离的分隔壁。 隔离壁在喷枪(10)的前端(11)附近的区域中至少部分停止,从而在粉煤喷射枪(10)内形成混合区域(16)。 根据本发明的一个重要方面,外管(12)和内管(14)具有基本上相同的长度,并且其中内管(14)包括至少一个侧开口(18,20),用于允许粉煤 和燃烧气体在前端(11)附近的粉煤喷射枪(10)内接触。
    • 4. 发明申请
    • TUYERE STOCK ARRANGEMENT FOR A BLAST FURNACE AND METHOD FOR FEEDING HOT BLAST INTO A BLAST FURNACE
    • 用于烤火炉的锅炉装置和用于将热量送入烤炉的方法
    • WO2010108880A2
    • 2010-09-30
    • PCT/EP2010/053671
    • 2010-03-22
    • PAUL WURTH S.A.GOEDERT, PaulHAUSEMER, LionelSIMOES, Jean-Paul
    • GOEDERT, PaulHAUSEMER, LionelSIMOES, Jean-Paul
    • C21B7/16F27B1/16
    • C21B7/163F27B1/16
    • Tuyere stock arrangement (10) of a blast furnace comprising a tuyere (14) having a tuyere body (20) configured for installation in a blast furnace wall (12); the tuyere body (20) having an outer wall (22), a front face (24) and a rear face (26), the tuyere body (20) further having a tuyere channel (28) extending from the rear face (26) to the front face (24), the tuyere channel (28) forming an inner wall (30) in the tuyere body (20). The tuyere stock arrangement (10) further comprises a blowpipe (34) connected between the rear face (26) of the tuyere body (20) and a gas feeding device (38), the blowpipe (34) being configured and arranged so as to feed hot gas, generally hot blast air, from the gas feeding device (38) to the tuyere channel (28) for injection into the blast furnace. The tuyere stock arrangement (10) also comprises an injection lance (40) for feeding a combustible, generally pulverized or granular coal, into the blast furnace at the tuyere level, the injection lance (40) being an coaxial lance comprising an outer pipe and an inner pipe, coaxially arranged within the outer pipe, the outer and inner pipes being arranged for separately conveying oxidizing gas and said combustible, the inner pipe forming a separation wall for separating said combustible from the oxidizing gas. According to an important aspect of the invention, the injection lance (40) is removably arranged in a lance passage (42) formed in the tuyere body (20), the lance passage (42) being arranged between the inner wall (30) and the outer wall (22) of the tuyere body (20) and extending from the rear face (26) to the front face (24), the lance passage (42) opening into a front face (24) of the tuyere body (20).
    • 包括具有构造成安装在鼓风炉壁(12)中的风口体(20)的风口(14)的高炉的刮板存放装置(10); 所述风口体(20)具有外壁(22),前表面(24)和后表面(26),所述风口体(20)还具有从后表面(26)延伸的风口通道(28) 所述风口通道(28)在所述前表面(24)处形成在所述风口体(20)中的内壁(30)。 风口存放装置(10)还包括连接在风口主体(20)的后表面(26)和气体供给装置(38)之间的吹管(34),所述吹管(34)构造和布置成 将来自气体供给装置(38)的热气体(通常为热风)供给到风口(28),以将其注入高炉。 风口储存装置(10)还包括用于将可燃的,通常粉碎或颗粒状的煤进料到风口水平的高炉中的喷枪(40),喷射枪(40)是同轴喷枪,其包括外管和 内管同轴布置在外管内,外管和内管布置成用于分别输送氧化气体和所述可燃物,内管形成用于从氧化气体中分离所述可燃物的分隔壁。 根据本发明的一个重要方面,喷枪(40)可移除地布置在形成于风口体(20)中的喷枪通道(42)中,喷枪通道(42)布置在内壁(30)和 所述风口主体(20)的外壁(22)从后表面(26)向前表面(24)延伸,所述喷枪通道(42)打开到所述风口体(20)的前表面(24) )。
    • 5. 发明申请
    • PNEUMATISCHE FÖRDERVORRICHTUNG MIT WÄRMETAUSCHER
    • 与热交换气力输送
    • WO2005024330A1
    • 2005-03-17
    • PCT/EP2004/052074
    • 2004-09-07
    • PAUL WURTH S.A.GOEDERT, Paul
    • GOEDERT, Paul
    • F28D7/02
    • F28F13/06F28D7/024
    • Eine pneumatische Fördervorrichtung umfasst eine pneumatischen Förderleitung (12, 14) in die ein Wärmetauscher eingebaut ist. Der Wärmetauscher (10) umfasst ein zylindrisches Außengehäuse (16) mit einem ersten Ende (18) und einem zweiten Ende (20), einem Einlassstutzen (26) für einen pneumatischen Förderstrom an seinem ersten Ende (18) und einem Auslassstutzen (28) für den pneumatischen Förderstrom an seinem zweiten Ende (20). Innerhalb dieses zylindrischen Außengehäuses (16) ist ein Gehäusekem (32) derart angeordnet, dass er hierin einen ringförmigen Strömungsspalt (34) für den pneumatischen Förderstrom abgrenzt. In diesern ringförmigen Strömungsspalt (34) ist eine erste Rohrspirale (36) angeordnet, welche von einem Wärmeträger durchströmt wird.
    • 气动传送装置包括在其上安装的热交换器的气力输送管路(12,14)。 所述热交换器(10)包括一个圆柱形外壳(16),具有用于在其第一端(18)气动输送流的第一端(18)和第二端(20),一个入口端口(26)和用于出口(28) 在其第二端(20)的气动输送流。 在该圆筒形的外壳(16)是一个Gehäusekem(32)设置成使得它在本文限定为气动输送流的环形流动间隙(34)。 在具有第一螺旋管diesern环形流动间隙(34),(36)被布置,这是通过由热载体流动。
    • 6. 发明申请
    • METHOD FOR FEEDING PULVERISED COAL INTO A BLAST FURNACE
    • 将粉煤送入火炉的方法
    • WO2009141419A1
    • 2009-11-26
    • PCT/EP2009/056211
    • 2009-05-22
    • PAUL WURTH S.A.GOEDERT, PaulLUNKES, ChristianLEMMER, Pol
    • GOEDERT, PaulLUNKES, ChristianLEMMER, Pol
    • F27B1/16C21B5/00C21B7/16
    • F27B1/16C21B5/003C21B7/163F27D3/18F27D19/00
    • The present invention proposes a method for feeding pulverised coal into a blast furnace, wherein the method comprises the following steps: providing a tuyere stock (14) for blowing hot blast air from a bustle pipe (12) into a furnace hearth of a blast furnace through a tuyere (15) in an opening in the furnace wall (16); providing a pulverised coal injection lance (18) for feeding pulverised coal into the tuyere (15), the pulverised coal injection lance (18) comprising an inner pipe (20) for conveying pulverised coal and an outer pipe (22), coaxially arranged around the inner pipe (20), for conveying combustive gas, the inner pipe (20) forming a separation wall for separating the pulverised coal from the combustive gas, the pulverised coal injection lance (18) having a lance tip (24) arranged in the tuyere (15); allowing the pulverised coal and the combustive gas to form a mixture of pulverised coal and combustive gas at the lance tip (24); burning the mixture of pulverised coal and combustive gas in the tuyere (15); monitoring whether or not a flame at the lance tip (24) is burning; and upon determination that the flame at the lance tip (24) is not burning, reigniting the flame by temporarily reducing the flow of combustive gas through the pulverised coal injection lance (18).
    • 本发明提出了一种将粉煤送入高炉的方法,其特征在于包括以下步骤:提供用于将热风从吹风管(12)吹入高炉炉膛的风口料(14) 通过炉壁(16)中的开口中的风口(15); 提供用于将粉煤送入风口(15)的粉煤喷射枪(18),该粉煤喷射枪(18)包括用于输送粉煤的内管(20)和外管(22),同轴地布置在 用于输送燃烧气体的内管(20),内管(20)形成用于将粉煤与可燃性气体分离的分隔壁,所述粉煤喷枪(18)具有布置在所述燃烧气体中的喷枪尖(24) 风口(15); 允许粉煤和可燃气体在喷枪尖端(24)处形成粉煤和可燃气体的混合物; 在风口中燃烧粉煤和可燃气体的混合物(15); 监测喷枪尖端(24)上的火焰是否燃烧; 并且在确定喷枪尖端(24)上的火焰不燃烧时,通过临时减少通过粉煤喷射枪(18)的可燃气体的流动来重新点燃火焰。
    • 7. 发明申请
    • METHOD FOR PRODUCING PULVERIZED COAL
    • 生产粉煤的方法
    • WO2010084156A1
    • 2010-07-29
    • PCT/EP2010/050689
    • 2010-01-21
    • PAUL WURTH S.A.GOEDERT, PaulMAYER, MarkusSTAMATAKIS, GeorgesCAUWENBERGHS, Bernard
    • GOEDERT, PaulMAYER, MarkusSTAMATAKIS, GeorgesCAUWENBERGHS, Bernard
    • C21B5/00F26B21/10B02C23/30B02C23/34C10B57/10
    • C10B57/10B02C23/30B02C23/34C21B5/003C21B9/00F23K1/04F23K2201/103F23K2201/20F26B1/005F26B17/103F26B21/04F26B23/001Y02E50/30Y02P70/405
    • A method for producing pulverized coal comprising the steps of providing a drying gas heated to a predefined temperature in a hot gas generator (26); feeding the heated drying gas into a pulverizer (20); introducing raw coal into the pulverizer (20), the pulverizer (20) grinding the raw coal into pulverized coal; collecting a mixture of drying gas and pulverized coal from the pulverizer (20) and feeding the mixture to a filter (34), the filter (34) separating the dried pulverized coal from the drying gas; collecting the dried pulverized coal for further use and feeding the drying gas from the filter (34) to an exhaust line (38); and collecting the drying gas exiting said filter (34) and feeding part of said collected drying gas to a recirculation line (42) for feeding recirculation drying gas to said hot gas generator (26). According to an important aspect of the present invention, the step of providing the drying gas comprises feeding a variable flow rate of hot stove waste gas to the hot gas generator (26) through a hot stove waste gas line (46) so as to maximize the amount of hot stove waste gas used as drying gas. A pressure of the drying gas at a pulverizer gas inlet (24) is controlled by regulating a flow rate of the hot stove waste gas through the hot stove waste gas line (46).
    • 一种生产粉煤的方法,包括以下步骤:在热气体发生器(26)中提供加热到预定温度的干燥气体; 将加热的干燥气体进料到粉碎机(20)中; 将原煤引入粉碎机(20)中,粉碎机(20)将原煤粉碎成粉煤; 从粉碎机(20)收集干燥气体和粉煤的混合物,并将混合物供给到过滤器(34)中,过滤器(34)将干燥的粉煤与干燥气体分离; 收集干燥的粉煤进一步使用,并将干燥气体从过滤器(34)送入排气管(38); 以及收集离开所述过滤器(34)的干燥气体并将所述收集的干燥气体的一部分进料到再循环管线(42),以将再循环干燥气体供给到所述热气体发生器(26)。 根据本发明的重要方面,提供干燥气体的步骤包括通过热炉废气管线(46)向热气体发生器(26)供给可变流量的热炉废气,以便最大化 热炉废气用作干燥气体的量。 通过调节热炉废气通过热炉废气管线(46)的流量来控制粉碎机气体入口(24)处的干燥气体的压力。
    • 8. 发明申请
    • APPARATUS FOR INSERTION AND EXTRACTION OF FUEL INJECTION LANCES INTO AND OUT OF THE TUYERE STOCK OF A BLAST FURNACE
    • 燃料喷射装置的插入和抽出装置进入和流出火焰炉
    • WO2010006977A1
    • 2010-01-21
    • PCT/EP2009/058683
    • 2009-07-08
    • PAUL WURTH S.A.MULLER, BenGOEDERT, PaulLUNKES, ChristianHUTMACHER, Patrick
    • MULLER, BenGOEDERT, PaulLUNKES, ChristianHUTMACHER, Patrick
    • C21B7/16F27B1/16
    • C21B7/16F27B1/16F27D1/18
    • An apparatus (20) for insertion and extraction of a fuel injection lance (10) into and out of a tuyere stock (1) of a shaft furnace, in particular of a blast furnace, is proposed. The tuyere stock (1) comprises a lance sheath (12) that defines an insertion/extraction axis (49) and is mounted in coaxial extension of a lance channel through which an injection lance can be inserted into the tuyere stock. The proposed apparatus comprises a linear guide (22), a carriage (24) and a mounting support (50). The carriage is movably supported by the linear guide and cooperates with a connecting device (42) for connecting an injection lance to the carriage such that the injection lance can be moved axially along a translation axis by the carriage. The linear guide comprises a mechanism (36; 38) for linearly moving the carriage along a guide axis (35) and a first coupling half (64; 65; 66) for mounting the linear guide (22) to the mounting support attached to the tuyere stock. The mounting support (50) has a second coupling half (57; 58; 62) cooperating with the first coupling half (64; 65; 66) of the linear guide for removably attaching the linear guide to the tuyere stock. The mounting support (50) and the coupling halves (57; 58; 62; 64; 65; 66) orient an attached linear guide (22) so that the guide axis (35) of the linear guide in parallel to the insertion/extraction axis (49) and so that the translation axis of an injection lance (10) connected to the carriage (24) is coaxial with the insertion/extraction axis (49).
    • 提出了一种用于将燃料喷射枪(10)插入和取出竖炉(特别是高炉)的风口架(1)的装置(20)。 风口架(1)包括限定插入/抽出轴线(49)的喷枪护套(12),并且安装在喷枪通道的同轴延伸部分中,喷枪可以通过喷枪穿过轴线插入到风口部件中。 所提出的装置包括直线导轨(22),滑架(24)和安装支架(50)。 滑架由直线导轨可移动地支撑,并与连接装置(42)配合,用于将喷枪连接到滑架上,使得喷枪可以通过滑架沿平移轴线轴向移动。 线性引导件包括用于沿着引导轴线(35)和第一联接半部(64; 65; 66)直线移动托架的机构(36; 38),用于将线性引导件(22)安装到附接到 风口股 安装支撑件(50)具有与线性引导件的第一联接半部(64; 65; 66)配合的第二联接半部(57; 58; 62),用于将线性引导件可拆卸地连接到风口材料。 安装支撑件(50)和联接器半部(57; 58; 62; 64; 65; 66)使连接的线性导轨(22)定向,使得线性导向器的引导轴线(35)平行于插入/拔出 使得连接到滑架(24)的喷射枪(10)的平移轴线与插入/抽出轴线(49)同轴。
    • 9. 发明公开
    • APPARATUS FOR INSERTION AND EXTRACTION OF FUEL INJECTION LANCES INTO AND OUT OF THE TUYERE STOCK OF A BLAST FURNACE
    • 设备插入并延伸从燃料中的注入喷枪IN和OUTDÜSENSTOCK焚化炉
    • EP2297364A1
    • 2011-03-23
    • EP09780328.2
    • 2009-07-08
    • Paul Wurth S.A.
    • MULLER, BenGOEDERT, PaulLUNKES, ChristianHUTMACHER, Patrick
    • C21B7/16F27B1/16
    • C21B7/16F27B1/16F27D1/18
    • An apparatus (20) for insertion and extraction of a fuel injection lance (10) into and out of a tuyere stock (1) of a shaft furnace, in particular of a blast furnace, is proposed. The tuyere stock (1) comprises a lance sheath (12) that defines an insertion/extraction axis (49) and is mounted in coaxial extension of a lance channel through which an injection lance can be inserted into the tuyere stock. The proposed apparatus comprises a linear guide (22), a carriage (24) and a mounting support (50). The carriage is movably supported by the linear guide and cooperates with a connecting device (42) for connecting an injection lance to the carriage such that the injection lance can be moved axially along a translation axis by the carriage. The linear guide comprises a mechanism (36; 38) for linearly moving the carriage along a guide axis (35) and a first coupling half (64; 65; 66) for mounting the linear guide (22) to the mounting support attached to the tuyere stock. The mounting support (50) has a second coupling half (57; 58; 62) cooperating with the first coupling half (64; 65; 66) of the linear guide for removably attaching the linear guide to the tuyere stock. The mounting support (50) and the coupling halves (57; 58; 62; 64; 65; 66) orient an attached linear guide (22) so that the guide axis (35) of the linear guide in parallel to the insertion/extraction axis (49) and so that the translation axis of an injection lance (10) connected to the carriage (24) is coaxial with the insertion/extraction axis (49).