1.在自然養(yǎng)護(hù)標(biāo)準(zhǔn)下，鎂混凝土體積為連續(xù)膨脹過程，線膨脹率為0.1-0.2%，體積含水率為1%左右。
1. Under the natural curing standard, the volume of magnesium concrete is a continuous expansion process, the linear expansion rate is 0.1-0.2%, and the volume moisture content is about 1%.
2.燃燒過程中很難避開磁鐵礦，安裝在3C認(rèn)證防火閥中的粗晶MgO水化過程緩慢。已產(chǎn)生抗壓強(qiáng)度的粉煤灰水泥中的MgO再次遇水并水化時，轉(zhuǎn)化為Mg(OH)2，體積增加120%。
2. It is difficult to avoid magnetite during combustion, and the hydration process of coarse-grained MgO installed in 3C certified fire damper is slow. When MgO in fly ash cement with compressive strength meets water again and is hydrated, it is converted to Mg (OH) 2, and the volume increases by 120%.
3.水合后輕燒氧化鎂中分散CaO的體積增加90%，而鹵素片中存在SO42-。當(dāng)Ca(OH)2轉(zhuǎn)化為成熟石膏時，固態(tài)體積會增加2倍以上，導(dǎo)致產(chǎn)物變形，這也是限制輕燒氧化鎂中分散CaO和鹵素片中SO42-含量的原因。
3. After hydration, the volume of dispersed Cao in lightly burned magnesia increases by 90%, while SO42 - exists in halogen tablets. When Ca (OH) 2 is converted into mature gypsum, the solid volume will increase more than twice, resulting in product deformation, which is also the reason for limiting the content of dispersed Cao in lightly burned magnesia and SO42 - in halogen tablets.
通風(fēng)管道
Ventilation duct
4.MgO-Mg-C12-H2O體系軟件的水化過程是一個明顯的化學(xué)反應(yīng)過程，制造的管道體積較大。如果工作溫度高，反映的是升溫過程，板材本身過高，反映不夠，導(dǎo)致晶體地應(yīng)力和熱變形地應(yīng)力大，使產(chǎn)品體積膨脹。.
4. The hydration process of mgo-mg-c12-h2o system software is an obvious chemical reaction process, and the manufactured pipeline has a large volume. If the working temperature is high, it reflects the heating process. The plate itself is too high and the reflection is not enough, resulting in large crystal in-situ stress and thermal deformation in-situ stress and product volume expansion
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