CN1010694B - 竖炉装料装置 - Google Patents

竖炉装料装置

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Publication number
CN1010694B
CN1010694B CN87101644A CN87101644A CN1010694B CN 1010694 B CN1010694 B CN 1010694B CN 87101644 A CN87101644 A CN 87101644A CN 87101644 A CN87101644 A CN 87101644A CN 1010694 B CN1010694 B CN 1010694B
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China
Prior art keywords
container
valve pocket
stove
valve
containers
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CN87101644A
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English (en)
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CN87101644A (zh
Inventor
莱格勒·埃德欧德
朗阿德·埃米尔
希尔特·杰曼
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Paul Woolen
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Paul Woolen
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Publication of CN87101644A publication Critical patent/CN87101644A/zh
Publication of CN1010694B publication Critical patent/CN1010694B/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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Abstract

本装置具有布料溜槽(22)、几个贮存容器(28、30)、一个滑动系统以及一个阀套(26)。这些容器是相邻排列的，且这些容器在对准炉(20)轴线(0)的第一位置即容器卸炉料的位置与侧向离开炉(20)轴线(0)的第二位置即容器被充料的位置之间是水平地可以置换位置的。

Description

本发明是关于一个具有溜槽的竖炉装料装置，该溜槽是用以将炉料分布于炉内，该装置包括有几个贮料的容器、一个用以引导炉料进到布料溜槽去的滑动系统、以及一个装于炉口的阀套，且该阀套有一个用节流阀及密闭阀控制的流动管道。
这类统称为“无锥喉道”的装置，具有两种不同的类型。在专利US3693812中介绍了其中的常规类型。这种常规型加料装置具有两个贮料容器，该两容器相邻安排且分别安置在竖炉垂直轴线的两侧的上方，这两个容器是由一个倾斜的表面和位于布料溜槽上方的垂直流动管道相接。
这类装置更为新式一些的第二种类型是在文件EP-0062770中作了说明，这种类型通常称之为中心供料装置，其特点是它的两个贮料容器是按上下排列的且与竖炉的轴绕成对称，其中一个容器是作为密闭室。
上述两类装置对比起来各有其优缺点，而且特别是一类的优点往往是另一类的缺点，反之亦然，常规型装置的优点之一是：该两个贮料容器是交替工作的，一个容器正在装料时，另一个正在卸料。这样，如果不考虑阀门工作，加压及卸压这些相对时间较短的过程，该装置就几乎达到了连续的竖炉装料工作。与之相反，按专利EP-0062770那样两个容器上下排列的装置，当炉料从上室转换到下室时，给竖炉装料的过程就中断了。
两个容器相邻排列的常规型装置的缺点之一是该两个容器都必须设计成密闭室，因此除了两个节流阀之外还需要两对密闭阀。反之，第二种类型的装置，只需将一个容器设计成密闭室从而减少了所需的阀门数量。
两个容器相邻排列的装置的另一缺点是，由于炉料在倾斜表面上流动而形成具有一定水平分量的炉料下落轨迹，从而按布料溜槽的位置使正在卸料的容器的炉料在布料溜槽上的撞击点会发生改变，这就造成了炉料在炉内分布的不对称及不规则。反之，按两容器上下排列的那类装置，装料的流动是垂直的且相对于竖炉的中心线是对称的，因此会使炉料在炉内分布更为规则均匀。
两个容器上下排列的装置的另一缺点是其装置相对地较高，这是由于按上下排列造成的。所以，为了限制总高度，倾向于采用较为短粗的容器。
但这样做会加剧另一个问题，即容器内颗粒按其尺寸而分离开。在卢森堡专利№.85/810中更为详细的论述了这种现象，这种现象当容器的直径加大时更趋严重，而且在这种第二类加料装置中出现的特别严重，因为在两个容器中的分离现象会叠加在一起而加剧了最终的分离现象。反之，在两个容器相邻排列的那种加料装置中，其分离现象就不那么严重，这是因为容器可以设计得细高一些，而且在两个容器中的分离现象不会叠加起来。
本发明目的是要提供前面讲过的那类加料装置的另一种新的加料装置，本发明装置兼有两容器相邻排列加料装置和两容器上下排列加料装置的优点，而且明显地不会有任何上述的那些缺点。
为了达到这个目的，本发明提出的装置的基本特点是：至少有两 个相邻排列的容器，这些容器在对准炉轴线的第一位置即炉料被卸到布料溜槽上去时的容器位置以及容器侧向地离开炉轴线的第二位置即该容器处于划料位置之间是水平地可以互相置换位置的。
按照本发明的一个较佳实施例，这些容器是安装在一个能绕平行于炉轴线的一根垂直轴线旋转的旋转平台上。
这样安排的结果就有可能使得一个容器装料而同时另一个容器卸料，然后他们的位置再互相调换。当然，这种安排不可能达到上述现有的两个容器相邻排列加料装置那样的工作连续性，因为平台的旋转以及容器的互换位置需要时间。但是这种安排，其工作要比那种两个容器上下排列的装置来的快，因为上下排列时炉料从上容器转送到下容器需要增加时间。而且，本发明提出的装置具有两个容器上下排列的那种装置的中心供料系统的全部优点，因为正在卸料的容器总是处在炉的垂直轴线上。而且本发明提出的装置不会遇到装置高度问题，因此有可能采用适当加长容器的办法来减少分离现象。
每个容器都有一个上部密闭阀及一个下部单向阀。
位于第一位置的容器和阀套之间的密封连接是这样完成的：在阀套及炉口之间安排有波纹接头，通过波纹接头的膨胀来抬高阀套从而起密封作用。
本发明的其它特点及特征将如下参照附图的一个较佳实施例来加以说明。
附图1是按本发明具有两个可转贮存容器装置的整体示意图，局部纵剖面;
图2是在炉口上的两个容器组件的平面图;
图3-5以通过阀套的剖面来说明当阀套连接于贮存容器时的各 个不同阶段。
图1表示了在竖炉20顶部的炉口内装有一个用以分布炉料的溜槽22，溜槽22是由驱动装置24所驱动绕竖炉的垂直轴0旋转而调整其与该垂直轴的角向位置的。如专利EP-0062770所述的那种阀套26安装于驱动装置24之上。
炉20的上面，装有两个贮存容器28及30，按本发明特点，这28及30是靠绕平行于竖炉轴0的垂直轴X的旋转而在下述两位置间可以互换的：加料位置即图上所示28位置及卸料位置即图上所示30位置。为此，该28及30是由双叉形（见图2）的托架32支承，而32是安置在一个旋转平台34上。该34由马达36驱动，且34由装于炉口20上的支架38所支承。该28及30并不直接放在托架32上，而是每个都通过三组秤40及弹簧支承在32上，如本来所知，这种支承方式能在阀门自动运行过程中始终监视着容器28及30中的容量。
炉料是由传送带42运往料斗44，料斗是在加料容器的上方，按实施例是在容器28的上方。料斗44是从一件十字交叉件46那里挂下来，46是水平地固定在一个轴向的旋转杆48上，而48的旋转是由马达50驱动。当加料时，料斗44的旋转能显著的减少了由传送带42那里传送到料斗处来的颗粒的分离现象。面对传送带42固定着有一个垂直的平板52，平板54是固定于杆48的底端并且是在液压式的附加装置作用下可以垂直地移动位置的，这也能使减少料斗44内的分离现象。板54的垂直方向位置是按料斗44内的炉料水平高低位置来调节的，水平位置的高低可以用通常的料面探 测器来测量。上述平板54是按料的供应速度来操作以至多少能保持料斗44内的容积料量为常量。
为了减少在贮存容器28及30内的分离现象而采取了以下措施：在容器内沿着轴线固定有一个或多个平板56，这样如图中所示能改善从料斗44落下的炉料的分布。其它诸如卢森堡专利申请号№.85/810中提出的措施也可采用。
参考号58表示了一根压力均衡管，用以使位于给竖炉加料位置的容器即在实施例中的卸料容器30在阀门打开之前给该容器加压而使炉料倒空进到布料溜槽22去，以及用在密闭阀已关闭而两容器28及30的位置尚未交换之前把空气引入到上述容器30中去。为了加快容器的加压过程，每个容器（28并未表示这点）都配有一条分支管60，该60把容器的底部和顶部直接连通起来。管58必须配有波纹接头以能吸收阀26及炉20的分离移动。
图2图解说明了该两容器28及30组件的其它细节。图1中的支架38实际上由安装于炉20顶部的三根支柱62、64及66组成，而这些支柱支承着一个水平平台68。由马达36驱动的旋转环34靠滚动轴承（未表示）安放在该平台68上。参考号70表示了用以将热煤气传送到炉20外面去的管道。应该指出：托架32绕垂直轴X的旋转以及容器间位置的互换不会受这些管道70的阻碍，因为这些管道倾斜于垂直方向。
本发明装置能这样工作，即能保证每个容器28、30都与阀套26之间有密封的连接。这些保证密封的方法将通过图3-5把阀套26部分地剖开而加以说明。
阀套26在垂直的轴向是可移动的，为此通过波纹接头78将阀 套26与驱动溜槽22的机构24（见图1）的箱体80相连接，所以每个容器28、30都能快速且密封地连接于阀套26上。该波纹接头78是和几个（三个为较好）定位液压缸82关连着的，而每个液压缸82上都有受压力弹簧86作用的滑动活塞84。在弹簧86及阀套26的重量作用下，阀套正常地支撑在液压缸82上，且波纹接头78是处于压缩状态。另外，弹簧86也是必要的，它能在没有容器支撑在阀套26上时提供向下的推力。
而且阀套26有一个上部的环形密封面94，围绕该94固定着有几个（三个为较好）液压缸88。每个液压缸都有其活塞连同一个具有加大的园柱头92的垂直杆。
图3表示了两个贮存容器在旋转过程时的该装置，此时阀套26的上部分是和两个贮存容器脱开的且两个阀74及76是一定关着的。而且有可能提供一种预防措施的装置来防止当阀74及76并未关闭时容器28及30的旋转。
每个容器28、30都在其底部相应于液压缸88的位置上具有凸边法兰98，且在98上具有适应于活塞杆90的头部92的形状的沟槽96。当某个容器（例如容器30）按旋转运动到卸料位置时（如图4所示），各沟槽96与相应液压缸88的头部92相啮合。
容器28及30的下部流动管道在相应于阀套26的上密封表面94的地方具有一个环形的密封面100，密封面94与100有互相贴合的形状，例如园面凸形。参考号102表示了一根压缩空气管道，102通到上密封表面的中心区，其目的是靠对着喷射压缩空气来清洗密封面以及改善密封效果。
图5表示了阀套26与容器30之间的连接。这个连接是由注入 液压流体到活塞88的杆那一侧的液压缸里去直到密封面94与100互相接触而完成的。阀套26是靠活塞84来升起，84是随弹簧86的压缩以及波纹接头78的膨胀而在定位液压缸82之内滑动的。
贮存容器30及阀套26之间的脱开就像按图3-5叙述的连接过程一样的工作，但其执行的过程次序正相反。
因为在容器绕X轴旋转时，各容器28、30和阀套26都是脱开的。因此容器有必要具有底部的节流阀104以使其在此时保留炉料在容器内。此外，类似于先进的常规贮存容器，容器28、30都具有一个上部密封阀106。
应指出，采用三个或更多的容器和装置以代替如实施例中叙述的两个容器的装置是可能的，这种方案可以减少旋转所需的时间。

Claims (6)

1、具有溜槽(22)的竖炉装料装置，该溜槽是用以将炉料分布于炉内，该装置包括至少二个贮料容器(28、30)、一个用以引导炉料进到布料溜槽(22)去的滑动系统、以及一个装于炉(20)口上的阀套(26)，且该阀套有一个用节流阀(74)及密封阀(76)控制的流动管道。其特征为：具有至少两个相邻排列的容器(28、30)，这些容器在对准炉(20)轴线(0)的第一位置即炉料被卸到分料溜斜槽(22)上去时的容器位置以及容器侧向地离开炉(20)轴线(0)的第二位置即容器处于加料位置之间是水平地可以置换位置的，处于该第一位置的容器(30)和该阀套(26)之间的密封连接是通过被安排在阀套(26)及炉(20)口之间的波纹接头(78)的膨胀来升起阀套(26)而完成的。
2、按权利要求1所述的装置，其特征在于：容器（28、30）是安装在一个能绕平行于炉（20）轴线（0）的一根垂直轴线（X）旋转的旋转平台（34）上。
3、按权利要求1或2所述的装置，其特征在于：两个容器（28、30）是由几组秤（40）及弹簧支承在托架（32）上，而托架（32）是安装在旋转平台（34）上。
4、按权利要求1所述的装置，其特征在于，每个容器都有其上部密封阀（106）及下部挡阀（104）。
5、按权利要求1所述的装置，其特征在于：阀套（26）的升起是靠一系列的安装在阀套（26）上的液压缸（88）以及（88）的活塞杆来完成的，而活塞杆具有一个头（92），在容器旋转时头（92）与每个容器（28、30）的侧壁上的沟槽（96）相啮合，沟槽（96）具有和头（90）互相适应的形状。
6、按权利要求1所述的装置，其特征在于：每个容器（28，30）都配有一条分支管（60），该管把容器的底部和顶部直接连通起来。
CN87101644A 1986-03-04 1987-03-03 竖炉装料装置 Expired CN1010694B (zh)

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LU86335A LU86335A1 (fr) 1986-03-04 1986-03-04 Installation de chargement d'un four a cuve

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CN105498499B (zh) * 2016-01-11 2017-09-01 湖南鑫光新材料科技有限公司 一种用于钢铁废材持续煅烧的灰烟处理系统
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AU6964287A (en) 1987-09-10
AU584281B2 (en) 1989-05-18
ES2004892A6 (es) 1989-02-16
FR2595456B1 (fr) 1990-06-15
UA6018A1 (uk) 1994-12-29
GB2187542A (en) 1987-09-09
LU86335A1 (fr) 1987-11-11
BE1000193A3 (fr) 1988-08-23
JPS62214113A (ja) 1987-09-19
CS262685B2 (en) 1989-03-14
IT8719469A0 (it) 1987-02-24
US4822229A (en) 1989-04-18
KR870009200A (ko) 1987-10-24
DE3706654C2 (de) 1995-11-16
FR2595456A1 (fr) 1987-09-11
AT392836B (de) 1991-06-25
JPH07110968B2 (ja) 1995-11-29
PL264406A1 (en) 1988-02-04
PL157918B1 (pl) 1992-07-31
KR940009128B1 (ko) 1994-10-01
BR8701358A (pt) 1988-08-30
SE8700883L (sv) 1987-09-05
CA1288243C (en) 1991-09-03
CN87101644A (zh) 1988-02-17
ZA871191B (en) 1987-10-28
CS133187A2 (en) 1988-08-16
DE3706654A1 (de) 1987-09-10
SE8700883D0 (sv) 1987-03-03
IN170454B (zh) 1992-03-28
ATA47087A (de) 1990-11-15
SE465438B (sv) 1991-09-09
GB2187542B (en) 1990-01-17
IT1203348B (it) 1989-02-15
GB8703776D0 (en) 1987-03-25
NL8700521A (nl) 1987-10-01
SU1493113A3 (ru) 1989-07-07

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