CN101668600B - 烧嘴装置及其控制方法 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F23J13/00—Fittings for chimneys or flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
- F23J2213/20—Joints; Connections
- F23J2213/202—Joints; Connections between duct or stack sections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
- F23J2213/30—Specific materials
- F23J2213/303—Specific materials metallic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
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Abstract
本发明涉及特别是连铸机的配料器的加热、烘干或保温用的烧嘴装置,具有至少一个呈平面布置的烧嘴,这种烧嘴被设计成多孔烧嘴,其中多孔烧嘴具有多孔烧嘴段且多孔烧嘴段分别借助供气管供给燃气和/或氧载体且供气管中的至少一些通过一根共同的供给管供给燃气和/或氧载体且还配置了一台鼓风机以便通过供气管供给氧载体,并且多孔烧嘴段能够彼此独立地通过控制装置来接通和/或切断,其中,多孔烧嘴装置由一个回转臂支承,后者能够借助活关节进行旋转,并且,鼓风机也由回转臂支承,所以鼓风机也是可旋转布置的;本发明还涉及一种用于根据本发明的烧嘴装置的控制方法,其中,多孔烧嘴段根据所需的加热强度或加热功率彼此独立地进行接通和/或切断。
Description
技术领域
本发明特别涉及连铸机的中间罐的加热、烧干和/或保温用的烧嘴装置。
背景技术
冶炼厂例如具有连铸机的钢厂通常用钢包把熔化的液态金属运送到浇铸位置。热的液态金属在流入连铸机的结晶器之前用配料器例如中间罐作中间料台。这种配料器也用于浇包的连续更换,这样就可进行多炉连浇。
配料器一般需要循环地重新砌衬,并在每次循环之前必要时重新进行中修并装配浸入管。然后烘干并加热配料器。为了加热,烧嘴用化石燃料例如天燃气并用氧载体例如空气进行工作。通常采用市售的烧嘴,这类烧嘴被装入一个加热盖中。
由于采用市售的烧嘴,随着火焰产生便产生快速运动的废气,这种废气容易形成烟缕,而且总的来说只有很少的辐射能。
由于火焰产生点状加热,导致火焰直接作用的部位产生局部过热,而离火焰太远的其他区域则加热得很差,从而在配料器内引起应力,导致裂纹形成并由此导致整个设备停止运行。此外,由于用火焰产生不均匀加热,使配料器的烘干时间延长,保温时间缩短,同时能耗很高,CO2(二氧化碳)的排放量也很高。由此也增加了配料器的砌衬材料的消耗,因为在增加裂纹形成的情况下,必须更频繁地更换砌衬材料。从而使能源供应费用增加,降低设备运营经济性,而且燃烧废气的排放量很高,总的来说对环境相当不利,这在近期有关温室效应的讨论范围内被认为是特别有害的。
这类烧嘴装置例如可从文献KR102003005373A、KR1020030021728A、KR1020040011716A、KR1020010091068A和KR09122854A中得知。
发明内容
本发明的目的是提出一种特别是连铸机配料器的加热、烘干和/或保温用的烧嘴装置,该烧嘴装置可达到改善能源的充分利用、减少CO2排放量和提高设备的可用性;此外,本发明的目的是提出一种烧嘴装置的有利控制方法。
关于烧嘴装置的上述目的是通过特别是连铸机配料器的加热、烘干和/或保温用的一种烧嘴装置来实现的,该装置具有至少一个呈平面布置的烧嘴,这种烧嘴被设计成多孔烧嘴。
如果多孔烧嘴具有若干多孔烧嘴段是特别有利的。其中,该多孔烧嘴可具有一段或多段,各段相互连接或邻接,除在各段间有一很小的接缝外。根据本发明,连接的段是借助连接装置连接和/或例如借助一个框架这样固定,通过各段的相邻布置而构成一个整体的烧嘴。如果将多孔烧嘴的多孔烧嘴段呈平面布置成相邻的排,则是一种有利的实施例。
如果多孔烧嘴分别用供气管供给燃气和/或氧载体,则燃气和氧载体的供给乃是符合要求的。其中,如果这些供气管中的至少一些管子通过一根共同的供给管供给燃气和/或氧载体,则是有利的。另一种实施例也是有利的,即配置一台鼓风机来供给通过供气管的氧载体,这样就可借助鼓风机把氧载体例如空气通过供气管输送到多孔烧嘴段。
如果多孔烧嘴装置由一个可旋转的支架支承或由一个可借助活关节进行旋转的旋转臂支承,则有利于烧嘴装置的运送。如果鼓风机也由一个支架或旋转臂支承,因而鼓风机也布置成可旋转的,则适用于上述的另一种实施例。
关于方法的上述目的是通过一用于控制烧嘴装置的方法实现的。其中,根据要求的加热强度和功率接通和/切断多孔烧嘴段。如果被接通或者切断的烧嘴段至少交替地布置成排或者例如棋盘状是有利的。
有利改进可从各项从属权利要求得知。
附图的简要说明
下面根据附图所示的实施例来详细说明本发明。
附图表示:
图1配料器加热、烘干和/或保温用的本发明烧嘴装置的视图;
图2图1烧嘴装置的平面图。
具体实施方式
图1表示一种特别是连铸机的配料器的加热、烘干和/或保温用的烧嘴装置1的视图。烧嘴装置1具有一个烧嘴2,该烧嘴固定在支架3上并借助带有回转支座4的支架3可进行旋转,即该支架构成一个回转臂。其中,该烧嘴位于配料器5上方,例如在加热位置8并加热该配料器,或者该烧嘴向上翻转到一个停放位置9,它基本上保持垂直,于是可接近配料器,以便进行其他工作。回转臂例如借助液压或压缩空气操作而可在这两个位置之间进行旋转。
烧嘴2按本发明设计成多孔烧嘴10。多孔烧嘴10具有优良的性能,它可作为燃气烧嘴呈多孔结构或蜂窝状燃烧空气-燃气混合气,这种燃烧非常充分而不形成开放火焰。其结果是达到了燃气-空气混合气的无焰的、完全的燃烧,所以在燃气-空气混合气引入后作为反应产物在出口侧产生废气流。
氧载体例如空气借助鼓风机6引入多孔烧嘴10中。氧载体通过鼓风机抽吸并经供气管路或进气管7供入设计成多孔烧嘴10的烧嘴中。
图2所示的多孔烧嘴10以有利的方式由多段组成。为此,各段11、12、13基本上呈平面布置并具有到至少一根供气管14、15的接头,燃气和/或氧载体通过该供气管供入相应的烧嘴段。如上所述,空气或氧载体通过鼓风机引入多孔烧嘴段中。在另一种实施例中,也可设置一根燃气-空气混合气的供气管。
呈平面布置的燃嘴段最好以很小的接缝距离并排布置,这样就构成了多排平面布置的多孔烧嘴段。为此,多孔烧嘴段可借助固定装置例如固定在固定框架中,后者与回转臂连接,所以平面布置成一体的多孔烧嘴段可与回转臂一起旋转。
多孔烧嘴产生热废气流和热辐射,两者对准配料器,以便对它进行加热、烘干、保温或恒温处理。在这种情况下,在配料器的内腔或表面产生热废气,从而实现均匀的温度分布,所以避免了焰缕形成。但由于能量的大部分被转换成辐射能,配料器也被很有效地加热。
多孔烧嘴大致呈平面布置是特别有利的,这种布置由多孔烧嘴的单段组成。这样就有利于控制,即单个烧嘴段或成排的烧嘴段可独立地接通或切断。
根据所进行的加热强度或加热功率,可接通全部多孔烧嘴或切断单个烧嘴段。如果被接通或被切断的烧嘴段至少交替地成排分布,则是有利的。如果交替地被接通或被切断的烧嘴段布置呈棋盘状,也是有利的,这样就只需烧嘴段的极少部分进行工作。
附图标记
1 烧嘴装置
2 烧嘴
3 支架、回转臂
4 回转支座
5 配料器
6 鼓风机
7 供气管路或供气管
8 加热位置
9 停放位置
10 多孔烧嘴
11 烧嘴段
12 烧嘴段
13 烧嘴段
14 进气管
15 进气管
Claims (4)
1.连铸机的配料器(5)的加热、烘干或保温用的烧嘴装置(1),具有至少一个呈平面布置的烧嘴(2),这种烧嘴(2)被设计成多孔烧嘴(10),其中
多孔烧嘴(10)具有多孔烧嘴段(11、12、13)且
多孔烧嘴段(11、12、13)分别借助供气管(4)供给燃气和/或氧载体且
供气管(4、14、15)中的至少一些通过一根共同的供给管供给燃气和/或氧载体且还
配置了一台鼓风机(6)以便通过供气管供给氧载体,并且多孔烧嘴段能够彼此独立地通过控制装置来接通和/或切断,其中,
多孔烧嘴装置(10)由一个回转臂(3)支承,后者能够借助活关节进行旋转,并且,鼓风机(6)也由回转臂(3)支承,所以鼓风机(6)也是可旋转布置的。
2.按权利要求1所述的烧嘴装置,其特征在于,多孔烧嘴(10)的多孔烧嘴段(11、12、13)呈平面布置成一排或多排。
3.一种用于前述权利要求任一项的烧嘴装置的控制方法,其中,多孔烧嘴段(11、12、13)根据所需的加热强度或加热功率彼此独立地进行接通和/或切断。
4.按权利要求3所述的烧嘴装置的控制方法,其中,至少交替地成排地或棋盘状地布置的多孔烧嘴段(11、12、13)被接通或切断。
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DE102007016016A DE102007016016A1 (de) | 2007-04-03 | 2007-04-03 | Brenneranordnung |
PCT/EP2008/001296 WO2008119415A1 (de) | 2007-04-03 | 2008-02-20 | Brenneranordnung |
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EP (1) | EP2134488B1 (zh) |
JP (1) | JP5094958B2 (zh) |
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DE102011054018A1 (de) * | 2011-09-28 | 2013-03-28 | Hebenstreit Gmbh | Heizungssystem |
KR101413182B1 (ko) * | 2012-08-09 | 2014-07-01 | 한국에너지기술연구원 | 축열식 순산소 연소 시스템 및 그 연소 시스템을 이용한 연소방법 |
US9038576B2 (en) * | 2013-05-22 | 2015-05-26 | Plum Combustion, Inc. | Ultra low NOx burner using distributed direct fuel injection |
KR101660897B1 (ko) | 2015-07-28 | 2016-09-28 | 윤지원 | 장식 무늬층을 갖는 접합유리의 그 제조방법 |
KR102357550B1 (ko) | 2016-04-19 | 2022-01-28 | 윤지원 | 접합유리 제조방법 및 접합유리 |
KR20170013806A (ko) | 2016-06-01 | 2017-02-07 | 윤지원 | 장식 무늬층을 갖는 접합유리 |
CN110052597B (zh) * | 2019-05-13 | 2024-01-19 | 濮阳市濮耐炉窑工程有限公司 | 一种中间包干式料胎具及其防爆点火装置 |
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Also Published As
Publication number | Publication date |
---|---|
JP2010523926A (ja) | 2010-07-15 |
KR20090089345A (ko) | 2009-08-21 |
ES2374757T3 (es) | 2012-02-21 |
WO2008119415A1 (de) | 2008-10-09 |
EP2134488B1 (de) | 2011-11-09 |
EP2134488A1 (de) | 2009-12-23 |
US20100104989A1 (en) | 2010-04-29 |
DE102007016016A1 (de) | 2008-10-09 |
JP5094958B2 (ja) | 2012-12-12 |
CA2677975C (en) | 2012-07-10 |
ATE532591T1 (de) | 2011-11-15 |
CN101668600A (zh) | 2010-03-10 |
CA2677975A1 (en) | 2008-10-09 |
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