[ä¸çŽ»ç’ƒç½‘] First, the 碹 碹 拉 拉
Reason: Because of the large thermal expansion, the longitudinal expansion is greater than the lateral expansion, so that the reverse strip is both pulled and sheared, and the collapse occurs.
Treatment: Add graphite powder lubrication between the palm and the angle steel, directly make the hook shape with the drawn round steel, the bolt and the coupling beam hole do not leave long holes, and replace the spare pull strip in time.
Second, the impact of steel structure movement
In this case, measures should be taken in time to avoid large resistance to refractory materials during expansion.
3. Insufficient reserved expansion joints cause damage to the glass structure of the glass kiln
Decisively and timely remove the insufficient parts, so as not to crush the gables and hooks, and even the danger of burning the steel plate.
4. Large rafts and small furnace domes, deformation cracking
This is caused by the discomfort of the brace and the uneven temperature of the local temperature.
The measures taken are solved by diligent inspection, diligent pulling and controlling the reasonable heating rate!
V. Partial or individual exact top draws
The reason is that the mud is unevenly smeared when laying bricks and the size error of the brick size head is large, and the inconsistency is formed when the locking bricks are inconsistent, and one side is too tight, and the side is too loose, so that the brick bodies are inconsistent with each other.
The measures taken are to use a flat tongs to lift the falling bricks, then use a thin iron foil to clamp them, or use a silicon hot feed to pick up and clamp after lifting.
Sixth, glass kiln wall cracking
This phenomenon is more common in the side wall of the small furnace and the wall of the regenerator.
Solution: The small furnace wall and the end wall column can be pulled tightly in time to avoid vertical cracks in the wall due to expansion. At the same time, the gap should be filled in time.
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