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砖坯的裂纹,不外是在成型和干燥两个过程中而产生的. 成型方面的裂纹:1.S型裂纹:使用螺旋式搅泥机是易使坯子中部产生S型裂纹的,其解决办法是将搅刀头由平头改为尖头,或将搅泥机的头部加长,同时在原料内渗对炉灰.2.螺旋式裂纹又叫菊花心,这是由于搅拌不良(分层)而产生的.可在原料内渗大粒瘦化剂,并把从推进器到龙口由粗到细的脖去掉,改为平头推进器,于推进器到龙口之间,置一带眼的铁扳(这种方法因机器的不同,必须试验进行,以免
The cracks in bricks are produced in the process of forming and drying. Cracks in molding: 1. S-type cracks: The use of spiral mud mixer is easy to produce S-type cracks in the middle of the blank, and its solution It is to change the tip of the mixing blade from flat to pointed, or to lengthen the head of the mud mixer, and at the same time to infiltrate the furnace ash in the raw material. 2. Spiral crack is also called daisy heart, which is due to poor stirring (layering) The resulting material can be infiltrated with a large-grained thinning agent in the raw material and removed from the propeller to Longkou from the thick to the thin neck and replaced with a flat-headed propeller. Between the propeller and the Longkou, an iron plate is placed between the propeller and the Longkou. This method must be tested to avoid the different machines.