The reasonable operating system of glass furnace is an important guarantee for prolonging the service life of the furnace and obtaining the high quality products. The operation of the furnace must be carried out strictly in accordance with the procedures prescribed by the process.

1. Attention to Bottom Erosion Of Glass Furnace
With the rapid development of furnace industry, in recent years, tank bottom of glass furnace
in some glass factory is often reported to have leakage event. The main reasons of leakage is
that the bottom structure of the pool is not effective to prevent the drilling of glass liquid or
caused by metal particles which drill down and cause erosion. So tank bottom which can
prevent glass liquid from drilling up and metal particles from drilling down is required. Both the
two types corrosion mentioned above are caused by free interface layer at the interface of
three species, in normal circumstances, these three species are refractory bricks (fused cast
azs block, zircon brick, mullite brick, etc.), glass liquid, and air bubble or metal.
When glass liquid flows under pave brick of tank, air bubbles will be produced, then these
bubbles will go up to erode the upper refractory bricks, such as fused cast azs block. The
bubble is very important, if the bubble trend is big, the erosion is big.
The initial erosion point caused by bubble is in the horizontal gap between the layers. If the
pave brick is single, the erosion point is between pave brick and sealing layer. The erosion in
the vertical joints is less than that of the horizontal joints. However, as a result of glass liquid
flowing through the vertical joints to horizontal joints, so pave brick, joints and sealing layer
should be combined to form the whole closed integral which can effectively prevent the glass
fluid from flowing into the horizontal seam.
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