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          Physical properties of fly ash

            來源:www.rewardjs.com
          Fly ash is the fine ash collected from the smoke and dust after coal is ignited. Fly ash is the key solid waste discharged from thermal power stations. The appearance of fly ash is similar to that of concrete, and the hue changes from milky white to black gray. The color tone of fly ash is a key quality standard, which can reflect the carbon content and difference. At a certain level, the particle size of fly ash can also be reflected. The heavier the hue, the denser the particle size distribution of fly ash and the higher the carbon content.
          Fly ash is divided into high calcium fly ash and low calcium fly ash. Under normal conditions, the tone of high calcium fly ash is dark, and the tone of low calcium fly ash is gray. Fly ash particulate matter is a honeycomb-like mechanism with porous structure, large specific surface area and high absorption specificity. The particle size category of particulate matter is 0.5~300 μm, and the bead wall is equipped with porous material, with porosity reaching 50% ~ 80% and strong water absorption capacity.
          The physical properties of fly ash include relative density, apparent density, particle size, specific surface area, water consumption, etc. This property is a macroeconomic manifestation of composition and mineral composition. Because the composition of fly ash has a large fluctuation category, which makes the decision that the difference in its physical properties is also quite large. Among the physical properties of fly ash, particle size and particle size distribution are the key new projects. It immediately endangers other characteristics of fly ash. The denser the fly ash, the greater the proportion of ultra-fine powder and its specificity. The particle size of fly ash harms the initial hydration reaction, while the composition harms the reflection of the middle and late stages.
          From the perspective of physical properties, fly ash is a kind of artificial service carbon gray thermoplastic resin. It has slightly hydraulic gelation characteristics, but when it is stored i

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