Influence Of Fly Ash Grinding Quality On Concrete Properties|Fly Ash Vertical Roller Mill For Sale

At a construction site of a project, a large number of air bubbles emerged from the poured concrete and accompanied by a pungent odor. what is the reason? The reason is that there is a problem with the quality of fly ash powder. The quality of powder produced by different fly ash grinding mill equipment will be different in quality.

After the concrete is hardened, the surface appears hollow, volume expansion or even partial cracking. The measured air content of the concrete is as high as 10%, and the strength is 30% lower than normal. Through the investigation of various raw materials, it was finally locked that the cause of the "bubbling" of concrete and then the volume expansion was caused by the fact that fly ash contains ammonium sulfate and ammonium thiosulfate, and there is the possibility of elemental aluminum. These impurities can react violently to release gas in an alkaline environment and pose a serious threat to the quality of concrete.

Advantages of HLM fly ash vertical roller mill

What are the advantages and characteristics of HLM fly ash vertical roller mill? How to process coarse fly ash into secondary ash?

The HLM fly ash vertical roller mill uses roller pressure to grind limestone and fly ash, and mixes them at the same time of grinding to increase the specific surface area of ash and improve the quality, which is conducive to the blending and quality of concrete construction.

HCM is customer-centric, customizes exclusive selection and configuration plans for customers who need to grind fly ash, and formulates reasonable and scientific product quotations, which is conducive to increasing production and generating income for your fly ash grinding project. If there is a fly ash project, please provide detailed information on fineness, production capacity, production area, etc. before sale, and we will provide you with scientific and reasonable product quotation information. Please contact mkt@hcmilling.com or call at +86-773-3568321, HCM will tailor for you the most suitable grinding mill program based on your needs, more details please check www.hcmilling.com.