Ladle magnesia refractory castable mixing notes

 Ladle magnesia refractory castable mixing notes:

1. Stirring with a forced mixer. When mixing, do not mix into the bag, rope head and other debris, affecting the pouring effect and performance.
2. Mixing depends on the on-site unpacking of the castable. The amount of mixing depends on the capacity of the mixer. The castable should be accurately metered and poured into the mixer.
3. The process of dry mixing and dry mixing is adopted. After the casting material is added to the mixer, dry mixing for 2 minutes, adding water about 5.2~5.5%, adding water while stirring, first adding 80% of the total amount, and then depending on the consistency of the stirring material, as appropriate add (and note that the mixing water must be clean tap water, not sewage), wet mix for 4 minutes, and stir for at least 6 minutes, until the castable is uniform.
4. When mixing, strictly control the water consumption and mixing time to ensure the consistency required for the construction. If the castable is too thin, it will seriously affect the quality of the material.
5. The evenly mixed material should be poured in 20 minutes, so as not to be difficult to cast for a long time, affecting the strength of the ladle lining structure.
6. The mixer should be cleaned every time the construction is completed or the type of castable material is changed.

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