Tundish flow control quick change mechanism for large-sized crystallizer
A mold and tundish technology, which is applied in casting melt containers, metal processing equipment, casting equipment, etc., can solve the problems of difficult centering of the casting channel, molten steel splashing, casting errors, etc., and achieves improved efficiency and bidirectional control of molten steel. Flow and speed, long life effect
Inactive Publication Date: 2012-01-11
VESUVIUS ADVANCED CERAMICS (CHINA) CO LTD
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Problems solved by technology
The nozzle is set in the tundish, which is easy to be eroded for long-term use, and, because there are usually two upper and lower slide plates on the existing tundish mechanism, during the casting process, the flow of molten steel is controlled by sliding the lower plate, which usually causes Due to the movement of the lower plate, the casting channel formed by the upper and lower nozzles is not easy to be centered, resulting in casting errors and molten steel splashing
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[0017] The present invention discloses a flow control quick change mechanism for large size crystallizer tundish, such as figure 1 shown, including a chassis 4, from figure 2 This mechanism is a cross-sectional view during use. It can be seen specifically that an upper slide plate 21, a middle slide plate 22 and a lower slide plate 23 are arranged in the chassis 4, and a slide plate opening is opened on the slide plate, and the upper slide plate 21 and the lower slide plate 23 are fixed. , when the middle slide plate 23 was in the initial position, the slide plate openings of the three slide plates were arranged in a straight line, and the flow of molten steel was the largest at this time, and a hydraulic cylinder (not shown) was respectively connected to the left and right ends of the chassis 4, and the hydraulic pressure cylinder through figure 1 The hydraulic cylinder base 32 and the corresponding nuts are fastened to the left and right sides of the chassis, and the hydra...
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The invention provides a tundish flow control quick change mechanism for a large-sized crystallizer. The mechanism comprises a chassis with an upper sliding plate, an intermediate sliding plate and a lower sliding plate; a sliding plate opening is formed on each sliding plate; the positions of the sliding plate openings of the upper and the lower sliding plates are fixed correspondingly, and the intermediate sliding plate moves left and right relative to the upper and the lower sliding plates; the left and the right ends of the chassis are respectively connected with a hydraulic cylinder; and the hydraulic shafts of the hydraulic cylinders are respectively connected with the left and the right ends of the intermediate sliding plate. In the invention, the intermediate sliding plate is added, and the hydraulic cylinders are arranged on both the sides of the intermediate sliding plate, so that the effect of bidirectional control of the flow rate and the speed of molten steel can be reached, and the service life of the mechanism can be prolonged; and moreover, as a water gap quick change device is arranged at the front end of the mechanism, scrap and replacement of the overall tundish mechanism after corroding the water gap can be avoided, and the continuous casting efficiency can be indirectly improved. In addition, the mechanism has great practicality during casting.
Description
technical field [0001] The invention relates to a tundish flow control quick change mechanism, in particular to a tundish flow control quick change mechanism for casting a large-size crystallizer. Background technique [0002] In continuous casting, the large-sized crystallizer is set under the tundish, and the molten steel is brought into the crystallizer through the tundish mechanism set under the bottom of the tundish. The tundish mechanism is provided with a submerged nozzle. The nozzle is set in the tundish, which is easy to be eroded for long-term use, and, because there are usually two upper and lower slide plates on the existing tundish mechanism, during the casting process, the flow of molten steel is controlled by sliding the lower plate, which usually causes Due to the movement of the lower plate, the casting channel formed by the upper and lower nozzles is not easy to be centered, resulting in casting errors and molten steel splashing. Contents of the inventio...
Claims
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IPC IPC(8): B22D41/56B22D41/38
Inventor 詹姆斯・欧文斯通吴宽张习熠姜丹锋
Owner VESUVIUS ADVANCED CERAMICS (CHINA) CO LTD