Fired ceramic proppant production is most important a process

Fired fracturing proppant production is most important a process, have a great impact on their microstructure and macroscopic properties. After determining the ratio of the specimen, it will produce a fine powder in the firing process at a lower temperature Fracturing proppants between the liquid phase, but also to fracturing proppant and petrochemical reactions corundum crystal form transition occurs, and therefore the firing temperature must be controlled so that maintained within the optimum temperature range to ensure after the firing has excellent overall performance. If the temperature is too high there will be over-burning phenomenon, and ferric oxide (Fc203) of content. After the surface of a liquid phase, the oxygen diffusion to the center of the fracturing proppant block, this time occurs ceramic proppant suppliers reactions. Since the volume of the strength and the effect of the density of the reaction products are reduced. If the calcination temperature is too low due to burning phenomenon occurs due to insufficient sintering, its intensity is reduced. Firing temperature has little effect on the bulk density, but has a greater impact on the fracturing proppant crushing rate and the frac sand companies acid solubility. Minimum firing temperature corresponding crushing rate of 1360 ℃, while the corresponding acid solubility best when firing temperature is 1350 ℃. Therefore, in order to obtain the desired combination of properties, the firing temperature must be between 1350-1370 ℃; producing a high strength fracturing proppant to the firing temperature should be controlled at about 1360 ℃, the solubility of the acid <5%, to meet the Claim.