Dual-mechanism combined slag-stopping tapping system of converter
A converter slag blocking and tapping system technology, applied in the direction of manufacturing converters, etc., can solve the problems of small slag blocking and tapping, large slag blocking and unsatisfactory slag blocking and tapping effects, etc., and saves The effect of production cost, consumption reduction, and labor reduction
Inactive Publication Date: 2014-08-06
BEIJING SHOUGANG INT ENG TECH
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Problems solved by technology
[0003] For the slag blocking and tapping mechanism behind the converter, the operation is simple, the maintenance is convenient, and the cost per ton of steel is low. Skateboard bricks are replaced frequently, and the cost per ton of steel is high, but the amount of slag is small and the effect is good
Therefore, the application of the single mechanism in the prior art to the actual production of converter slag blocking and tapping needs to be further improved.
Method used
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[0010] figure 1 For a specific embodiment of the present invention, further description will be made below in conjunction with the accompanying drawings:
[0011] The dual-mechanism combined converter slag-stopping and tapping system of the present invention comprises: a slag-stopping and tapping mechanism 1 behind a furnace and a sliding plate slag-stopping and tapping mechanism 2 . The slag blocking and tapping mechanism 1 behind the furnace is installed on the converter operating platform 8 behind the converter, and the sliding plate slag blocking and tapping mechanism 2 is installed on the tapping hole cover plate 5 of the converter body, and the sliding plate slag blocking is connected through the locking pin. The connecting plate 4 and the tapping hole cover plate 5 of the tapping mechanism 2.
[0012] In the dual-mechanism combined converter slag-stopping and tapping system of the present invention, the two kinds of converter slag-stopping and tapping mechanisms can be...
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The invention relates to a dual-mechanism combined slag-stopping tapping system of a converter and belongs to the technical field of converter steelmaking. The system comprises a furnace rear slag-stopping tapping mechanism and a sliding plate slag-stopping tapping mechanism, wherein the furnace rear slag-stopping tapping mechanism is mounted on a converter operating platform behind the converter or suspended below a converter mouth platform; the sliding plate slag-stopping tapping mechanism is mounted on a tapping hole cover plate of the converter body, and a connecting plate and the tapping hole cover plate are moveably coupled with the sliding plate slag-stopping tapping mechanism by a locking pin. According to the dual-mechanism combined slag-stopping tapping system of the converter, a slag-stopping tapping manner in the dual-mechanism combined slag-stopping tapping system of the converter can be selected properly in accordance with different control requirements of steel grades produced in different converter smelting batches on converter tapping slag-roughing amount and thus the purposes of saving the production cost, lowering the consumption of high-quality refractory materials and reducing the amount of labor of workers are achieved.
Description
technical field [0001] The invention relates to the technical field of converter steelmaking, in particular to a double-mechanism combined converter slag-stopping and tapping system. Background technique [0002] When the converter is tapped, if too much slag is brought into the molten steel tank, it will cause increased consumption of ferroalloy, rephosphorization of molten steel, and intensified corrosion of the refractory material of the molten steel tank, which will seriously affect the quality of molten steel and the metallurgical effect of molten steel refining in subsequent steps. Modern converter smelting Steel generally adopts slag blocking mechanism to carry out converter slag blocking tapping. At present, the most typical slag-stopping method for converters is to use the post-converter mechanism to put slag-stopping bodies (including slag-stoppers, slag-blocking balls, etc.) , less scum. Because this slag blocking method cannot block the early slag during tappin...
Claims
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IPC IPC(8): C21C5/46
Inventor 杨楚荣侯成张德国
Owner BEIJING SHOUGANG INT ENG TECH