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Bofeng company was originally a compound fertilizer-led product, total assets of 350 million yuan, has an annual output of 300,000 tons of potassium sulfate compound fertilizer, 100,000 tons of urine-based compound fertilizer, 100,000 tons of powdered monoammonium phosphate The production scale of 100,000 tons of industrial hydrochloric acid and 500,000 tons of industrial sulfuric acid also has a set of 10,000 kW heat recovery power generation equipment.
In recent years, Bofeng has continuously increased its efforts in environmental management and, while dismantling two sets of pyrite-based sulphuric acid production systems that do not meet the requirements of environmental protection, it has also strictly implemented clean production standards for new projects. The company also increased environmental input. In 2005, the company started the construction of 300,000 tons/year sulphur-burning sulphuric acid project. Only environmental protection investment reached 11.55 million yuan, accounting for 10% of the total project investment, and the discharge of waste water, sewage, and noise. The controls all meet the national requirements for emission standards. After the project was put into production, the amount of waste gas discharged was reduced by 62 million cubic meters per year, sulfur dioxide emissions by 303.2 tons per year, and sulfuric acid mist by 26.3 tons per year, receiving good environmental benefits. In 2006, the company invested more than 300,000 yuan in the 120,000 tons/year pyrometalic acid plant to increase the exhaust scrubber, so that the removal rate of sulfur dioxide reached more than 90%, and the ammonium sulfate absorption liquid produced in the production process can be used as a compound fertilizer workshop. The production of raw materials, not only reduces the production costs of compound fertilizers, but also increased economic income. In 2007, they reinvested more than 500,000 yuan to implement technological transformation of the phosphoric acid tail gas system. The original process of the scrubber was simple, and it was replaced by advanced double-spray complex scrubber technology. After the transformation of the facilities, the amount of exhaust gas was reduced, and the silicate in the ore was reduced. The class is recycled, and the economic and environmental benefits are obvious.
Bofeng focused on improving resource utilization. They configured waste heat power generation equipment for 300,000 tons of sulfuric acid and 120,000 tons/year of pyrite-based sulphuric acid. They use medium-pressure steam to generate electricity. Fertilizer and sulfuric acid production use electricity, production costs are also greatly reduced, each year can increase economic benefits more than 15 million yuan, after the power generation of low-pressure steam for the production of compound fertilizer, replacing the original coal-fired furnace, annual savings of about 300 tons of coal consumption Ten thousand yuan. The company has also further improved the recycling rate of water resources and the utilization of waste resources. It has invested more than 800,000 yuan to build a sewage treatment tank, and realized that the treated waste water is used in a closed-loop manner; cold water enters a water storage tank as an employee's washing water, The secondary water is used for process, greening, and road flushing water after being processed to meet the standard, thus realizing zero discharge of production effluent, thereby greatly reducing the amount of groundwater added, making the primary water utilization rate more than 90%, and saving 100,000 cubic meters of water annually. , reduce the cost more than 30 million. The company uses solid waste - phosphogypsum and sulphur slag as raw materials for cement and construction materials, and cooperates with related institutions to jointly develop and turn waste into treasure to fundamentally solve the problem of land occupied by waste slag and pollute the environment. It promotes the harmonization of economic benefits and environmental benefits.
In recent years, Shandong Zibo Bofeng Compound Fertilizer Co., Ltd. has been vigorously developing circular economy, accelerating the construction of resource-saving and environment-friendly enterprises, constantly optimizing product structure and resource allocation, realizing the organic link of the industrial chain, and making the company's development into a virtuous cycle express train. Road, economic and environmental benefits have achieved double harvest.