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筑炉的关键在于坩埚制造,坩埚质量的好坏直接影响盐炉的寿命。我厂采用耐火砖砌制坩埚,为防止砖砌坩埚漏盐造成电极柄与炉胆的短路,并考虑到坩埚的热膨胀,在砌砖与炉胆间加40~80毫米厚的填料(石英砂加20%水玻璃)然后捣实。具体筑炉要求是: 1.电极、电极柄、坩埚炉胆的形状、尺寸应与耐火砖及填料的厚度相配合,尽量避免砍砖。
The key is to build a crucible crucible manufacturing, the quality of the crucible directly affect the life of the salt furnace. I plant refractory brick crucible, in order to prevent leakage of salt brick brick crucible caused by the electrode handle and the short circuit, and taking into account the thermal expansion of the crucible, between the brick and the furnace plus 40-80 mm thick filler (quartz sand Plus 20% water glass) and then tamping. Concrete furnace requirements are: 1. Electrodes, electrode handle, crucible furnace shape, size and thickness of firebrick and packing should be matched, try to avoid chopping bricks.