Ladle covering agent prepared through utilizing blast furnace slag
A technology of ladle covering agent and blast furnace slag, applied in the metallurgical field, can solve the problems of high overall cost and inability to utilize blast furnace slag in steel plants, etc., and achieve the effects of improving internal quality, good spreading performance, good spreading and heat preservation properties
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Embodiment 1
[0023] The ladle covering agent given in this embodiment consists of the following raw materials based on 100 parts by weight: 40 parts of blast furnace slag, 37.5 parts of limestone, 17.5 parts of vermiculite, and 5 parts of fluorite.
[0024] Prepare the preparation method of ladle covering agent, carry out according to the following steps:
[0025] (1) Crushing and grinding each raw material to make the particle size within 3mm.
[0026] (2) Weigh each raw material according to the composition weight of the raw materials, then mix them for 10-20 minutes, stir evenly, and dry them.
[0027] During use, the ladle covering agent among the present embodiment is carefully packaged with every 20kg as a bag. According to the size of the ladle, the amount of ladle covering agent added is different. After the ladle covering agent is added, a slag layer is formed, and finally the thickness of the slag layer is 6-8cm. The slag material in the slag layer spreads rapidly, and the liqui...
Embodiment 2
[0030] The ladle covering agent given in this embodiment is composed of the following raw materials based on 100 parts by weight: 37 parts of blast furnace slag, 38 parts of limestone, 17 parts of vermiculite and 8 parts of fluorite.
[0031] The preparation method and application method of the ladle covering agent of this embodiment are the same as that of Embodiment 1.
[0032] The performance parameters of the ladle covering agent prepared in this embodiment are shown in Table 1.
Embodiment 3
[0034] The ladle covering agent given in this embodiment is composed of the following raw materials based on 100 parts by weight: 30 parts of blast furnace slag, 40 parts of limestone, 15 parts of vermiculite, and 15 parts of fluorite.
[0035] The preparation method and application method of the ladle covering agent of this embodiment are the same as that of Embodiment 1.
[0036] The performance parameters of the ladle covering agent prepared in this embodiment are shown in Table 1.
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