Recently, Sichuan Yibin Qilianchuan Coal Cement Co., Ltd. gave full play to its advantages in mine resources and coordinated mine crushing of high-quality limestone to replace purchased limestone as a cement admixture, further reducing production costs.
After entering the fourth quarter, in order to further increase product output and quality, the company organized 19 grassroots employees to visit Beichuan Zhonglian, Anlian Zhonglian, Deyang Lisen, Leshan Desheng, Hechuantai mud and other large companies to study. After the inspection, the company held a special meeting to discuss the successful introduction of limestone as a mixed material to increase production of mixed materials and cement production.
Limestone used as a mixture requires high demand. In the early stage of the trial, the company purchased the broken limestone from the processing unit. The cost was very high. After the experiment was successful, the company carefully organized and the production department coordinated and coordinated. The quality control department strictly controlled the quality, and the manufacturing department regularly shredded, piled and piled, and supplied. Responsible for transshipment, ensuring the quality and quantity of limestone, reducing the cost of cement grinding limestone by about 25 yuan, and saving more than 200,000 yuan per month for the company.
The main component of limestone is calcium carbonate. When limestone is incorporated into cement, the hydration rate of tricalcium silicate in the clinker can be accelerated, and it reacts with the hydrated aluminate of clinker to form aluminocarbonate. The hydration products increase the intermolecular cohesive force of the hydrates, and the cement stone structure is more dense, thereby greatly improving the early strength of the cement, shortening the setting time of the cement, and improving the performance of the cement. Self-sufficiency in the provision of high-quality limestone for cement grinding provides not only significant economic benefits, but also enables the company's market competitiveness to be further improved.
After entering the fourth quarter, in order to further increase product output and quality, the company organized 19 grassroots employees to visit Beichuan Zhonglian, Anlian Zhonglian, Deyang Lisen, Leshan Desheng, Hechuantai mud and other large companies to study. After the inspection, the company held a special meeting to discuss the successful introduction of limestone as a mixed material to increase production of mixed materials and cement production.
Limestone used as a mixture requires high demand. In the early stage of the trial, the company purchased the broken limestone from the processing unit. The cost was very high. After the experiment was successful, the company carefully organized and the production department coordinated and coordinated. The quality control department strictly controlled the quality, and the manufacturing department regularly shredded, piled and piled, and supplied. Responsible for transshipment, ensuring the quality and quantity of limestone, reducing the cost of cement grinding limestone by about 25 yuan, and saving more than 200,000 yuan per month for the company.
The main component of limestone is calcium carbonate. When limestone is incorporated into cement, the hydration rate of tricalcium silicate in the clinker can be accelerated, and it reacts with the hydrated aluminate of clinker to form aluminocarbonate. The hydration products increase the intermolecular cohesive force of the hydrates, and the cement stone structure is more dense, thereby greatly improving the early strength of the cement, shortening the setting time of the cement, and improving the performance of the cement. Self-sufficiency in the provision of high-quality limestone for cement grinding provides not only significant economic benefits, but also enables the company's market competitiveness to be further improved.
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