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1. 发明授权

US4186792A Apparatus for monitoring and controlling the level of the molten metal in the mold of a continuous casting machine 失效
标题翻译：用于监测和控制连续铸造机的模具中的熔融金属的水平的装置
公开(公告)号：US4186792A
公开(公告)日：1980-02-05
申请号：US862501
申请日：1977-12-20
申请人： Takeo Yamada , Seigo Ando , Yoshio Miyashita , Katsuhiko Murakami , Masahisa Tate , Kiyoshi Mizui
发明人： Takeo Yamada , Seigo Ando , Yoshio Miyashita , Katsuhiko Murakami , Masahisa Tate , Kiyoshi Mizui
IPC分类号： G01F23/26 , B22D11/18 , B22D11/20 , B22D11/16
CPC分类号： B22D11/205
摘要： There is disclosed a molten metal level monitoring and controlling apparatus for continuous casting machines which employs an eddy-current type distance measuring device for measuring the level of the molten metal in the mold of a continuous casting machine. The eddy-current type distance measuring device generates a molten metal level signal by detecting in a noncontact manner the distance between its detecting mechanism fixedly mounted in place just above the surface of the molten metal and the molten metal level. According to another embodiment of the invention, the detecting mechanism of the eddy-current type distance measuring device is arranged so as to be vertically movable just above the surface of the molten metal, whereby the detecting mechanism is moved in response to variations in the level of the molten metal to always maintain constant the distance of the detecting mechanism from the molten metal level, and the potentiometer attached to the detecting mechanism generates a molten metal level signal indicative of the distance travelled by the detecting mechanism. The thusly generated molten metal level signal is displayed on a recorder and it is also used for adjusting the pouring rate and the casting withdrawing rate through a monitoring and controlling mechanism so as to maintain the level of the molten metal in the mold within a predetermined range.
摘要翻译：公开了一种用于连续铸造机的熔融金属液位监视和控制装置，其使用涡流式距离测量装置来测量连铸机的模具中的熔融金属的水平。涡电流型距离测量装置通过以非接触的方式检测其固定地安装在熔融金属表面上方的位置的检测机构与熔融金属水平之间的距离来产生熔融金属液位信号。根据本发明的另一个实施例，涡流式距离测量装置的检测机构布置成可以在熔融金属的表面正上方垂直移动，由此检测机构响应于水平的变化而移动的熔融金属总是保持检测机构距离熔融金属水平的距离恒定，并且附接到检测机构的电位计产生指示由检测机构行进的距离的熔融金属水平信号。这样产生的熔融金属水平信号显示在记录器上，并且还用于通过监视和控制机构来调节浇注速度和浇铸速度，以便将模具中的熔融金属的水平保持在预定范围内。

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