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    • 4. 发明授权
    • Quick change blow lance
    • 快换吹枪
    • US06224821B1
    • 2001-05-01
    • US09442578
    • 1999-11-18
    • Brian James KibbleIan Mervyn Craig
    • Brian James KibbleIan Mervyn Craig
    • C21C532
    • C21C5/462F16L37/113
    • There is disclosed a quick change plug and socket blow lance for use in steel conversion. To expedite exchange of an exhausted lance body (2) the lance body (2) has a plug (4) formed at an upper end adapted for reception in a socket (3) formed in a head (1). The socket and head are provided with various sealing surfaces whereby coolant water and oxygen for the conversion process can reliably be delivered to passages in the lance body (2). A locking mechanism is provided whereby the plug (4) can quickly be secured into the head socket (3) and separated after use. The locking mechanism consists of a plurality of circumferentially spaced projections (7) formed on a rotatable head ring (5) mounted at the mount of the socket (3). A lance body ring is secured to the lance body immediately below the plug (4) and provides a plurality of circumferentially spaced flange segments (8a) separated by gaps (8) through which the projections can pass as the plug (4) is inserted axially into the socket (3). When located the head ring (5) is rotatable to engage the projections with the flange segments and so on prevent separation of the plug from the socket during use.
    • 公开了一种用于钢铁转换的快速更换插头和插座吹枪。 为了加速排出的喷枪体(2)的更换,喷枪体(2)具有形成在适于容纳在形成在头部(1)中的插座(3)中的上端的塞子(4)。 插座和头部设置有各种密封表面,由此用于转换过程的冷却水和氧气可以可靠地传送到喷枪体(2)中的通道。 提供一种锁定机构,由此可以将插头(4)快速固定到头部插座(3)中,并在使用后分离。 锁定机构包括形成在安装在插座(3)的安装件上的可旋转头环(5)上的多个周向间隔开的突起(7)。 喷枪体环紧靠在插头(4)正下方的喷枪体上,并且提供多个周向间隔开的凸缘段(8a),该凸缘段由间隙(8)分隔开,当插头(4)轴向插入时凸起可以穿过该间隙 插入插座(3)。 当定位时,头环(5)可旋转以将突起与凸缘段接合,从而防止在使用过程中插头与插座分离。
    • 5. 发明授权
    • Exchange of an oxygen lance for liquid steel conversion
    • 交换用于钢液转换的氧枪
    • US06139792A
    • 2000-10-31
    • US155963
    • 1998-10-13
    • Brian James KibbleIan Mervyn Craig
    • Brian James KibbleIan Mervyn Craig
    • C21C5/46F27D3/16C21C5/32
    • F27D3/16C21C5/462C21C5/4606F27D2003/164F27D2003/168
    • An oxygen lance assembly includes a lance body which can be coupled and decoupled from a head through the use of a plug and socket junction. The plug part of the junction can be located on the lance body and provided with a plurality of axially spaced cylindrical male sealing surfaces. These are adapted to mate with corresponding female sealing surfaces provided in the head. The sealing surfaces mate with a clearance and the required seal is achieved by mounting O-rings exclusively on each male sealing surface. This provides for convenient inspection of the O-rings. Damage to the O-rings caused by vibration is prevented by cylindrical guide surfaces having a close sliding fit which serve to keep the plug part coaxial in the socket. Alignment of the plug in the socket is achieved by increasing the radius of each cylindrical sealing surface the further it is from the top of the socket via frusto-conical guide surfaces.
    • PCT No.PCT / GB98 / 00376 Sec。 371 1999年10月13日第 102(e)1999年10月13日PCT PCT 1997年2月6日PCT公布。 第WO98 / 35065号公报 日期1998年8月13日氧气喷枪组件包括可通过使用插头和插座接头与头部耦合和分离的喷枪体。 接头的插头部分可以位于喷枪体上并且设置有多个轴向间隔开的圆柱形阳密封表面。 它们适于与设置在头部中的相应的阴密封表面配合。 密封表面与间隙配合,所需的密封通过仅在每个阳密封表面上安装O形环来实现。 这样可以方便地检查O型圈。 通过具有紧密滑动配合的圆柱形引导表面防止由振动导致的O形环的损伤,其用于将插头部分保持在插座中。 插头插座的对准是通过增加圆柱形密封表面的半径,进一步通过锥形导向表面从插座的顶部增加。