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公开(公告)号：US12042851B2
公开(公告)日：2024-07-23
申请号：US18265907
申请日：2020-12-15
申请人： ArcelorMittal
CPC分类号： B22D11/165 , B22D2/001 , B22D11/04 , B22D11/108 , B22D11/185 , B22D11/204 , B22D46/00
摘要： A method of casting a steel semi-product wherein a liquid steel is poured from a ladle to a tundish through a shroud including the steps of determining the light intensity emitted from the surface of the liquid steel in the tundish, detecting, based on said determined intensity, the presence of an open-eye at the surface of the liquid steel and emitting an alert towards an operator when an open-eye is detected.
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公开(公告)号：US20060219052A1
公开(公告)日：2006-10-05
申请号：US10560089
申请日：2004-06-07
申请人： Mats Jalk , Willy Ohlsson , Håkan Kelvesjö
发明人： Mats Jalk , Willy Ohlsson , Håkan Kelvesjö
IPC分类号： C21C7/00
CPC分类号： C21C5/4673 , B22D2/001 , B22D11/186 , B22D37/00 , B22D37/005 , C21C2005/5288 , F27D3/145 , F27D3/159 , F27D19/00 , F27D21/0028 , F27D2019/0084 , G01N27/9026 , G01N33/205 , Y02P10/216
摘要： The invention relates to a method and a device of detecting the presence of slag in a shroud (4) through which molten metal passes from a ladle (2) to a tundish (6). A transmitting coil (20) generates an electromagnetic field. An induced voltage generated at a receiving coil (24) is compared with a defined voltage range. If the induced voltage has a value outside the defined voltage range it is indicative of the presence of slag. The coils (20,24) are arranged in an unmovable manner in relation to the shroud. The invention also relates to a casting plant.
摘要翻译： 本发明涉及一种检测熔融金属通过其从钢包（2）通过中间包（6）的护罩（4）中存在炉渣的方法和装置。 发射线圈（20）产生电磁场。 在接收线圈（24）处产生的感应电压与限定的电压范围进行比较。 如果感应电压具有超出规定电压范围的值，则表示存在炉渣。 线圈（20,24）相对于护罩以不可移动的方式布置。 本发明还涉及一种铸造设备。
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公开(公告)号：US4693614A
公开(公告)日：1987-09-15
申请号：US861110
申请日：1986-05-06
申请人： Akio Hatono , Sumio Kobayashi
发明人： Akio Hatono , Sumio Kobayashi
CPC分类号： B22D2/001 , B22D11/186 , G01D5/48
摘要： An apparatus for detecting slag outflow when a molten metal covered by molten slag is poured from one vessel to another by receiving the thermal radiation energy at the microwave frequencies emitted from the pouring stream of the molten metal from said one vessel to another to measure a change in thermal radiation energy caused by the difference in the emissivity of the molten metal and of the molten slag is disclosed. The apparatus comprises; a microwave-focusing mechanism which has a focal point at the measuring target point; a waveguide means one end of which is connected to said microwave-focusing mechanism and which receives the thermal radiation energy from said microwave-focusing mechanism; and a radiometer connected to the other end of said waveguide means to measure the thermal radiation energy at microwave frequencies received through said waveguide means.
摘要翻译： 当熔融金属覆盖的熔融金属从一个容器流入另一个容器时，通过从熔融金属的倾倒流从所述一个容器流出的微波频率接收另一个容器的热辐射能量来测量变化， 公开了由熔融金属和熔融炉渣的发射率差引起的热辐射能。 该装置包括： 在测量目标点具有焦点的微波聚焦机构; 波导，其一端连接到所述微波聚焦机构，并接收来自所述微波聚焦机构的热辐射能; 以及连接到所述波导装置的另一端的辐射计，以测量通过所述波导装置接收的微波频率处的热辐射能量。
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公开(公告)号：US20040187641A1
公开(公告)日：2004-09-30
申请号：US10818222
申请日：2004-04-05
发明人： Frank L. Kemeny , David Ian Walker
IPC分类号： C21B003/04 , C21C007/00
CPC分类号： B22D2/001
摘要： A method of determining disturbances when discharging molten metal from a metallurgical container having an outlet into a receiving container. In steps of this process, a real time video image of the teeming stream is monitored to detect the presence of a slag phase, or conditions conducive to the presence of such a phase in steel being transferred, the monitored images are processed to provide data used to assess the quantity of slag passed, parameters of data generated representing characteristics of the teeming stream image are compared with threshold values to generate at least one signal indicative of the passage of slag, and the threshold values are progressively adjusted responsive to data collected by monitoring plural parameters of the teeming operation selected from predicted teeming duration, weight of the receiving vessel, condition of means controlling teeming rate, and oxygen content of the molten steel.
摘要翻译： 一种当从具有出口进入接收容器的冶金容器中排出熔融金属时确定干扰的方法。 在该过程的步骤中，监测流出物流的实时视频图像以检测渣相的存在或有助于正在转移的钢中存在这样的相的条件，处理所监视的图像以提供使用的数据 为了评估通过的炉渣的数量，将表示特征流图像特征的数据参数与阈值进行比较以产生指示炉渣通过的至少一个信号，并且响应于通过监测收集的数据来逐步调整阈值 从预测的持续时间，接收容器的重量，控制灌浆速率的装置的条件和钢水的氧含量中选出的浇灌操作的多个参数。
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公开(公告)号：US4810988A
公开(公告)日：1989-03-07
申请号：US208711
申请日：1988-06-20
CPC分类号： H01F27/20 , B22D2/001 , G01F23/26 , G01N33/203
摘要： A compressed-air cooled transducer coil assembly for slag detector apparatus includes a refractory shield, top and bottom end blocks, a coil winding, and at least two spaced-apart guide bars. The shield may be positioned to coaxially surround the pour tube of a continuous steel caster so as to leave a space therebetween. The end pieces are connected to the shield. The coil winding is connected to the end blocks and is positioned so as to coaxially surround the shield leaving an air gap therebetween. The guide bars each have a bore whose lower end is attached to the bottom end block and whose middle portion projects into the space between the shield and the pour tube. The top and bottom end blocks have conduits which communicate with the air gap and the bores.
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公开(公告)号：US4140300A
公开(公告)日：1979-02-20
申请号：US825029
申请日：1977-08-16
申请人： Hans Gruner , Karlheinz Koch , Josef Glaser , Hartwig Matzner
发明人： Hans Gruner , Karlheinz Koch , Josef Glaser , Hartwig Matzner
摘要： A stream of molten metal is monitored as to emitted radiation to detect the onset of inclusion of slag for stopping the stream.
摘要翻译： 对发射的辐射监测熔融金属流，以检测包含渣的开始以阻止流。
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公开(公告)号：US11945029B2
公开(公告)日：2024-04-02
申请号：US17960141
申请日：2022-10-05
发明人： Takeshi Okada , Atsushi Yamashita
CPC分类号： B22D2/001 , B22D17/203 , B22D17/2272 , B22D17/32
摘要： A cold flake suppression method is provided. A molding device includes a sleeve, a tip, a sprue guide portion, a molding die, a sprue ring, a distributer, and a control device. The sprue guide portion includes a stamp portion, a runner portion, and a gate portion. The control device drives a supply device to slide the tip for molten metal to flow through the sleeve; sequentially calculates an amount of heat transfer changing continuously from the start of supply of molten metal until the tip slides to the position in FIG. 2, and calculates a total of the amounts as a total amount of heat transfer; and calculates a volume of the sprue guide portion based on information about the sprue guide portion input by an operator. Shapes of the sleeve and the sprue guide portion are determined to set a cold flake index equal to or less than 0.842.
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公开(公告)号：US20240033814A1
公开(公告)日：2024-02-01
申请号：US18265907
申请日：2020-12-15
申请人： ArcelorMittal
CPC分类号： B22D11/165 , B22D2/001 , B22D46/00 , B22D11/04 , B22D11/185 , B22D11/204 , B22D11/108
摘要： A method of casting a steel semi-product wherein a liquid steel is poured from a ladle to a tundish through a shroud including the steps of determining the light intensity emitted from the surface of the liquid steel in the tundish, detecting, based on said determined intensity, the presence of an open-eye at the surface of the liquid steel and emitting an alert towards an operator when an open-eye is detected.
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公开(公告)号：US20170304889A1
公开(公告)日：2017-10-26
申请号：US15513436
申请日：2015-06-10
IPC分类号： B22D11/18 , B22D2/00 , B22D11/108 , G05B19/048
CPC分类号： B22D11/186 , B22D2/00 , B22D2/001 , B22D2/003 , B22D11/108 , G05B19/048 , G05B2219/23005 , G05B2219/40623
摘要： Provided are a method and a system for a slag thickness detection and a slag-adding prediction. The method includes: acquiring real-time measurement data and real-time auxiliary data of a slag point on a surface of a protective slag layer of a casting mold; calculating a real-time slag thickness value corresponding to the slag point by using the real-time measurement data and the real-time auxiliary data of the slag point; and predicting a location on the surface of the protective slag layer where a slag-adding is to be performed and a slag-adding time when the slag-adding is to be performed based on a change in the real-time slag thickness value corresponding to the slag point by taking a preset slag thickness value as a reference.
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公开(公告)号：US20060266796A1
公开(公告)日：2006-11-30
申请号：US10560600
申请日：2004-04-23
申请人： Mats Jalk , Willy Ohlsson , Hakan Kelvesjo
发明人： Mats Jalk , Willy Ohlsson , Hakan Kelvesjo
IPC分类号： A47J36/02
CPC分类号： B22D37/00 , B22D2/001 , B22D11/186 , B22D37/005 , C21C5/4673 , C21C2005/5288 , F27D3/145 , F27D3/159 , F27D19/00 , F27D21/0028 , F27D2019/0084 , G01N27/9026 , G01N33/206 , Y02P10/216
摘要： A method and device are disclosed for detecting the presence of slag in a shroud through which molten metal passed from a ladle to a tundish. An induced voltage generated at a receiving coil is compared with a defined voltage range. If the induced voltage has a value outside the defined voltage range, it is indicative of the presence of slag. The voltage range is defined in dependence of the flow of molten metal passing through the shroud. A casting plant is also disclosed.
摘要翻译： 公开了一种用于检测熔融金属从钢包通过中间包的护罩中存在炉渣的方法和装置。 在接收线圈处产生的感应电压与限定的电压范围进行比较。 如果感应电压具有超出规定电压范围的值，则表示存在炉渣。 电压范围根据穿过护罩的熔融金属的流动而定义。 还公开了一种铸造厂。
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