How is the quality stability of cement
日期：2013-12-15 作者： 瀏覽：
Quality stability to cement mill, consideration must be given to aspects: the guarantee in the clinker inventory is abundant, open the cement mill, put an end to the burning of clinker grinding; improved stacking and reclaiming mode; production of clinker factory provide relevant data, such as full analysis of raw material, cement clinker, clinker liter weight, grinding factory to a shared network, so that the grinding plant timely grasp of clinker, adjusting the mixture ratio.
The second problem is to choose a stable quality of the cement mixed material good. Mixed a variety of materials, a slag, slag, limestone, fly ash, chemical composition, because they are not the same, its effect on the properties of cement are not the same, blast furnace slag activity is the best, high final strength, although limestone also helps to improve the strength of cement, but the loss is relatively large not much, so mixed, fly ash and slag mixed material we use most, is also the largest fluctuation of the mixed material. Slag some factories into the plant from several units burning bituminous coal, are left to the slag, there are burning anthracite is left to the slag, a large boiler is also a small boiler. But no matter where to slag, must be approved by the real grinding test laboratory, the 3 day, 28 day compressive strength ratio, the content is 30% of water consumption, the several important indices of setting time. Because, sometimes even compressive strength ratio reached the requirements, but the water exceed the standard, it will affect the fluidity of concrete, the setting time is extended and limit the early strength of cement to play, so that the factory cement use properties becomes worse, serious when, because of the low early strength, easily because of water loss and cracks. Similarly, fly ash also is same, can use the performance seriously affects the poor quality cement. So, suggest the production of cement manufacturers to purchase mixed material selectively, resolutely not not up to standard, internal quality can be stable cement.
Third aspects: the expansion of quality inspection center of the inspection project. Usually, the detection quality inspection center project is in the cement production process and set, this is not what is wrong. However, in an increasingly development and expansion of the cement enterprise, which seems to be not enough, because, more and more people are using them, the place is more and more widely. Cement use properties it how? What is the difference between the cement used in different places? The user does not know, manufacturers do not know! Therefore, when communication with customer, can only speak generally, not to provide a practical reference value. So, must increase the inspection items, inspection of cement with different mix ratio of concrete block is made of indicators, such as slump, setting time, compressive strength. When the original, fuel materials have larger changes, performance testing of concrete is very necessary, and, through the test, can mix for our products the best concrete find, provide reference.
