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    Tuyere sealing means and silencer
    2.
    发明授权
    Tuyere sealing means and silencer 失效
    Tuyere密封装置和消声器

    公开(公告)号：US4285504A

    公开(公告)日：1981-08-25

    申请号：US99633

    申请日：1979-12-03

    Applicant: Beal H. Colvin

    Inventor： Beal H. Colvin

    IPC: C21B7/16 ,  F27D25/00

    CPC classification number: F27D25/003 ,  C21B7/166

    Abstract: A tuyere sealing means and silencer having a bell-shaped nozzle. A plurality of cutouts are included in the nozzle and receive radially movable ramp-type valve elements which are adapted to engage with a seal with the plurality of a punch rod. The valve elements are moved radially outwardly of the nozzle against the force of spring means when the punch rod is inserted through the tuyere sealing means.

    Abstract translation: 具有钟形喷嘴的风口密封装置和消音器。 多个切口被包括在喷嘴中并且接收径向可移动的倾斜式阀元件，其适于与多个冲杆啮合。 当冲头穿过风口密封装置时，阀元件克服弹簧装置的力而径向向外移动。

    Device for handling the various components of an installation for the injection of pre-heated air into a shaft furnace
    3.
    发明授权
    Device for handling the various components of an installation for the injection of pre-heated air into a shaft furnace 失效
    用于处理用于将预热空气注入竖炉的设备的各种部件的装置

    公开(公告)号：US4266907A

    公开(公告)日：1981-05-12

    申请号：US927583

    申请日：1978-07-24

    Applicant: Pierre Mailliet

    Inventor： Pierre Mailliet

    IPC: C21B7/16 ,  F27B1/10

    CPC classification number: C21B7/166 ,  Y10S414/13

    Abstract: The manipulation of components of a fluid transmission system, particularly portions of a conduit through which heated gas is delivered to a blast furnace is facilitated by the use of a self-propelled vehicle having mounted thereon a component support mechanism. The vehicle and component support mechanism cooperate to define a pair of displaced vertical pivotal axes whereby the component support mechanism can be readily maneuvered into engagement with the conduit portion to be manipulated. The apparatus is further characterized by a lifting arm assembly which enables the component support mechanism to be raised and lowered without changing the orientation of a supported conduit portion.The present invention relates to a device for handling the various components of an installation for the injection of pre-heated air into a shaft furnace. The invention likewise relates to a multi-purpose self-propelling carriage equipped with a device of this kind.It is known that blast furnaces are fed, via a set of tuyeres which extend through the wall of the furnace, with heated air, known as hot blast, which may be enriched with oxygen. This hot air is introduced through a collecting pipe positioned around the furnace and is distributed in each of the tuyeres by means of separate distributors, known as blast pipes. These blast pipes have a descending part, inclined at a slight angle and incuding compensators to allow for thermal expansions, a substantially horizontal part, known as the nozzle which is applied against the tyere, and an elbow which connects the descending part to the nozzle via flanges.In most furnaces all the tuyeres are situated on the same level and evenly distributed over the entire periphery of the furnace. Certain types of furnace, however, particularly those intended for the treatment of iron ore known as "minette", have two sets of tuyeres at different levels. In most cases there are only half as many tuyeres in the upper row as in the lower. In this case the blast pipes serving the tuyeres of the upper level have descending parts which are shorter than those of the lower blast pipes. On the other hand, the horizontal portion of the upper blast pipes, also known as the auxiliary blast pipes, is generally longer than that of the lower blast pipes, in order to render these blast pipes accessible. The fact is that the gap between the lower blast pipes impede access to the auxiliary blast pipes if these latter are entirely positioned between the wall of the furnace and the lower blast pipes. This is why the horizontal portion of the auxiliary blast pipes is lengthened by means of a crosspiece and the lower part of these auxiliary blast pipes is slightly offset in the radial direction in relation to the descending parts of the main blast pipes.To render the tuyeres accessible, particularly in order to dismantle them, the lower part of the blast pipes first has to be removed, this lower part consisting of the elbow, the nozzle and possibly the crosspiece. This lower part is generally removed all in one piece by loosening the flanges between the elbow and the inclined descending part of the blast pipe.These operations of dismantling, transporting, positioning and reassembling the blast pipe units have previously been carried out with the use of a self-propelling carriage, generally consisting of a fork elevator. A carriage of this kind requires a small turning circle and ample maneuverability, so that the platform provided for this purpose can be made to the smallest possible width. In this context, it should be possible, in particular, to position this carriage on the platform in such a way that it is aligned with the horizontal part of each blast pipe.A carriage for use in the assembly and disassembly of blast pipe units must also enable the lower part of each blast nozzle to be dismantled and re-assembled regardless of the position and angle of inclination the part occupies as a result of thermally induced expansions and deformations.A carriage of the type being discussed must also be so designed that it can be maneuvered rapidly and controlled with ease and above all in such a way as to satisfy all the safety requirements dictated by the operating environment. Even if the carriages hitherto used fulfil most of these conditions to a sufficient extent for medium-size blast furnaces, they are proving less and less satisfactory as the dimensions of the blast pipes increase as a result of the requirements arising out of the progress achieved in modern blast furnace construction. One of the main difficulties being encountered at the present time is due to the fact that, in the transport of the assembly consisting of elbow and nozzle, the centre of gravity of the complete unit formed by the carriage and its load is displaced by the load overhanging the fork of the carriage. In order to ensure that the centre of gravity will not move to a point beyond the wheels of the carriage, so that the latter will not tilt, the carriage has to be made sufficiently heavy or provided with counterweights. These measures obviously have to be taken at the cost of the performance of the carriage, particularly at the cost of the desired maneuverability and space-saving construction. These drawbacks become still more serious in the case of a furnace with two rows of tuyeres, the upper blast pipes forming a much longer load to be dismantled and supported on the carriage so that the known types of carriage may even fail to perform their function altogether.These known carriages are, moreover, of no utility for dismantling and reassembling other components of an installation for the injection of pre-heated air into a shaft furnace such as the tuyeres or the descending sections of the feed lines connecting the circular pipe to the blast pipe elbow sections. The previously available carriages were at most suitable only for the transport of these components. However for dismantling and reassembling said components one has to resort to workmen or special single-purpose appliances.SUMMARY OF THE INVENTIONThe purpose of the present invention is to provide improved apparatus for handling the components of a gas transmission and/or injection system, and a carriage equipped with this apparatus satisfying the most exacting demands as regards maneuverability, reliability and safety and proving suitable both for the replacement of all types of lower and upper blast pipe component, where necessary, and for other purposes, i.e. capable of acting as a mechanical shovel.According to the present invention there is provided a device for handling the various components of an installation for the injection of pre-heated air into a shaft furnace, said device being designed to be temporarily combined by means of a lifting arm with a control apparatus known per se, and being pivotable about a first vertical axis while the assembly consisting of the lifting arm and the handling device is pivotable about a second vertical axis distinct from the first.In one preferred version the second vertical pivot axis is defined by a removable hinge connecting the lifting arm to the control apparatus.The handling device may also be equipped with wheels and be designed to form the fore-carriage of the control apparatus which forms the hind-carriage.The combination of the movements rendered possible by the two vertical swivel axes enables the handling device to be accurately aligned with the axis of the tuyere of the blast furnace, even if the axis of the control apparatus is offset or inclined in relation to that of the tuyere. This facilitates the manipulation of the carriage, in view of the usual comparative shortage of space available for this purpose. p According to a further embodiment of the invention there is provided a set of adapters designed to be temporarily associated with the said handling device on the one hand, and with each of the various components of the device for the injection of pre-heated air, on the other.These adapters provide a means of dismantling and reassembling and also of transporting the descending part of the blast pipe, as well as the tuyere and even the assembly consisting of tuyere and nozzle in cases in which these two elements are integral with each other.The invention also covers a multi-purpose self-propelling carriage, particularly for the handling of components of an installation for the injection of pre-heated air into a shaft furnace, comprising a chassis mounted on wheels and designed to be combined with each of the elements of a set of interchangeable working tools by means of a removable hinge providing a means of adjusting the orientation of the tool in relation to the chassis, characterized by the fact that at least one of the tools consists of a device such as defined aove and that the second swivel axis of the working tool is formed by the swivel axis of the said hinge.The handling device or its adapter preferably comprises means for securing a component of the installation to the carriage. These means may consist of two parallel arms mounted on the handling device and capable of pivoting about a substantially horizontal axis and by a pin designed to interact with the holes in the said arm and an oblong hole in a bracket provided for this purpose on the component.According to a further embodiment of the invention the handling device can be associated with a pneumatic or hydraulic tool for releasing the tuyere.

    Abstract translation: 通过使用其上安装有部件支撑机构的自推进车辆，易于操纵流体传动系统的部件，特别是加热气体被输送到高炉的管道的部分。 车辆和部件支撑机构协作以限定一对移动的垂直枢转轴线，由此部件支撑机构可以容易地操纵成与被操纵的导管部分接合。 该装置的特征还在于提升臂组件，其能够使组件支撑机构升高和降低，而不改变支撑导管部分的取向。

    Silencer for use on tuyere punchers
    4.
    发明授权
    Silencer for use on tuyere punchers 失效
    消声器用于风口打孔机

    公开(公告)号：US4114865A

    公开(公告)日：1978-09-19

    申请号：US813528

    申请日：1977-07-07

    Applicant: George C. McKerrow ,  Albert Pelletier ,  Peter L. Fowler

    Inventor： George C. McKerrow ,  Albert Pelletier ,  Peter L. Fowler

    IPC: C21B7/16 ,  F27B7/36

    CPC classification number: C21B7/166

    Abstract: A silencer for use with a tuyere puncher is disclosed. The silencer comprises a chamber having a front face and a rear face provided with a central opening for passing of the punch bar operated by the puncher, a plurality of closure members located in the rear portion of the chamber and mounted for movement toward and away from the longitudinal axis of the chamber and including means for forcing the closure members against the periphery of the punch bar so as to form a seal between the closure members and the punch bar, and a seal secured to the front face of the chamber for engaging the tuyere to seal such a tuyere before penetration of the punch bar through the tuyere valve. The silencer is mounted on a mobile table which is supported by the puncher and operated in synchronism with the punch bar.

    Abstract translation: 公开了一种用于风口冲孔机的消音器。 消音器包括一个具有前表面和后表面的腔室，该后表面设置有用于穿过冲孔机操作的打孔杆的中心开口，多个关闭构件位于腔室的后部并被安装成朝向和远离 该腔室的纵向轴线包括用于迫使封闭构件抵靠冲杆的周边的装置，以便在闭合构件和冲杆之间形成密封，以及固定到腔室前表面的密封件，用于接合 风口在将冲杆穿过风口阀之前密封这样的风口。 消声器安装在移动台上，该移动台由冲孔机支撑并与冲杆同步操作。

    Suspended tuyere stock removal device
    7.
    发明授权
    Suspended tuyere stock removal device 失效
    悬挂式风口清除装置

    公开(公告)号：US4582302A

    公开(公告)日：1986-04-15

    申请号：US637368

    申请日：1983-12-12

    Applicant: Pierre Mailliet ,  Edgar Kraemer

    Inventor： Pierre Mailliet ,  Edgar Kraemer

    IPC: C21B7/16 ,  F27B1/16

    CPC classification number: C21B7/166

    Abstract: A tuyere stock removal device is presented which is particularly well suited for use in conjunction with those types of shaft furnaces having a hot air, closed circuit pipe line which runs a circular course around the bosh. The tuyere stock removal device is suspended by means of rollers on rails and forms an integrated mechanical unit with the hot air, closed circuit pipe line. The present invention will perform all of the handling operations necessary for the dismantling and reinstallation of the blast nozzle and pipe bend as well as the tuyere and any slanting down pipe associated therewith.

    Abstract translation: 提出了一种特别适合与这些类型的竖炉一起使用的风口式清除装置，这些竖炉具有围绕bosh运行圆形过程的热空气，闭路管道。 风口清理装置通过滚轮悬挂在轨道上，并与热空气，闭路管线形成一体的机械单元。 本发明将执行拆卸和重新安装喷嘴和管道弯管以及与其相关联的风口和任何倾斜管所需的所有处理操作。

    TUYERE REMOVER
    10.
    发明申请
    TUYERE REMOVER 有权

    公开(公告)号：US20130161882A1

    公开(公告)日：2013-06-27

    申请号：US13530376

    申请日：2012-06-22

    Applicant: James Douglas Penney

    Inventor： James Douglas Penney

    IPC: C21B7/16

    CPC classification number: C21B7/166

    Abstract: A component of a gas injection system (tuyere/tymp) removal apparatus comprising a pneumatic or hydraulic hammer reverse mounted into a hammer frame, the working end of the hammer fixedly attached a first end of a slidable frame. The slidable frame having a second end fixedly attached to an elongated lifting arm means with a component handling means, and two sides slidably attached to the hammer frame. The component handling means may be inserted into the rear of a component of a gas injection system. When activated, the hammer generates a pulling motion on the component handling means engaged with the component of a gas injection system, releasing the component of a gas injection system from the wall of the blast furnace.

    Abstract translation: 气体喷射系统（风口/除尘）去除装置的组件包括反向安装到锤架中的气动或液压锤，锤的工作端固定地附接有可滑动框架的第一端。 可滑动框架具有固定地附接到具有部件处理装置的细长提升臂装置的第二端，并且两侧可滑动地附接到锤架。 部件处理装置可以插入到气体喷射系统的部件的后部。 当激活时，锤在与气体注入系统的部件接合的部件处理装置上产生拉动，将气体注入系统的部件从高炉的壁释放。

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