Cross-border pig-raising biogas as cement fuel reduces annual cost by 6.05 million yuan

2025-01-07 20:12:54

At present, Zhongxin Kaiwei Modern Animal Husbandry Pig Farm produces 80 tons of feces and dry matter every day. The feces flows from the building to the high-temperature anaerobic fermentation tank through the closed pipeline, and produces biogas through anaerobic fermentation. After wet oxidation and desulfurization, biogas is used as energy, most of which is used as clean energy and transported to cement plants as heat source for cement mill production.

With the enhancement of environmental awareness and the adjustment of energy structure, biogas, as a renewable energy, plays an important role in industrial production. Biogas can be used as a fuel for cement plants, and the heat generated by its combustion is an indispensable heat source for industrial production, which shows great potential in replacing coal, and has a significant positive impact on both production efficiency and environmental protection.

In recent years, Hubei Century Xinfeng Science and Technology Group has transformed into modern agriculture, and now it has built the largest single building pig farm in the world. At present, Zhongxin Kaiwei Modern Animal Husbandry Pig Farm produces 80 tons of feces and dry matter every day. The feces flows from the building to the high-temperature anaerobic fermentation tank through the closed pipeline, and produces biogas through anaerobic fermentation. After wet oxidation and desulfurization, biogas is used as energy, most of which is used as clean energy and transported to cement plants as heat source for cement mill production.

Biogas burner

enters the first workshop of Leishan Cement Plant of Century Xinfeng Science and Technology Group . A biogas burner is running at an accelerated speed. A 300 cubic meter/hour biogas burner is installed in the first workshop to replace raw coal for heating during cement production. 300 kilograms of raw coal can be replaced per hour, 1.8 kilograms of coal can be saved per ton of cement, 1800 tons of coal can be saved per year according to the production capacity of 1 million tons per year, and the cost can be reduced by 2.52 million yuan per year according to the price of 1400 yuan per ton of standard coal; The third production workshop is also speeding up the installation of biogas burner, which is expected to be completed and put into use this week. The third production workshop is calculated based on the production capacity of 1.4 million tons/year, saving 2520 tons of coal per year, which can reduce the cost by about 3.53 million yuan per year. The two cement production workshops can save 4320 tons of coal per year, which can reduce the cost by about 6.05 million yuan per year. Moreover, the comprehensive utilization of biogas resources, in the context of soaring international energy prices, reflects the advantages of energy utilization of manure and industrial coordinated development, to achieve environmental protection and low carbon.

Green development is the background of high-quality development, and new quality productivity itself is green productivity. Century Xinfeng Science and Technology Group is committed to environmental protection and green development, actively exploring, innovating and practicing, continuously increasing investment in environmental protection, continuously promoting the optimization and upgrading of production process, adopting advanced environmental protection technology and equipment, and realizing energy saving and emission reduction in the production process. Looking ahead, the Group will adhere to the development concept of circular economy and green environmental protection, actively explore the road of productive integration and green development, implement green and environmental protection development plans in all aspects and processes, give full play to technological advantages, create new quality productivity with scientific and technological innovation, save energy and reduce consumption with green development, strive to provide a solid foundation for the future development of enterprises, and actively contribute to the green cause of China.

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