Bulk cement is an important basic raw material and one of the commodities with the largest circulation. It is of great significance to systematically plan participation of bulk cement in production, distribution, circulation and consumption for the development of circular economy, the promotion of green low-carbon production, the conservation of energy and resources, the protection and improvement of the environment and the improvement of engineering quality. Bulk cement refers to the cement that is delivered, transported, stored and used directly through special equipment without paper bags and other packaging.
The picture shows that the cement bulk (or containerization) of Chengmai Huasheng Tianya Cement Co., Ltd.
, a bulk cement manufacturer, is carried out under fully enclosed conditions in the whole process of cement products from factory, transportation, loading and unloading, storage to use. It is a major change to replace backward production mode with advanced production mode. The development of bulk cement industry is the embodiment of realizing structural adjustment and industrial upgrading of cement industry and establishing modern industrial chain by using new production and operation modes such as modern logistics. The healthy development of bulk cement green industry is in line with the national industrial policy of environmental protection, energy saving and promoting the upgrading of traditional building materials industry, and is an important link to realize the "double carbon" strategy and the harmonious development of man and nature.
Walking into Chengmai Huasheng Tianya Cement Co., Ltd., it is hard to imagine that this is the production site of cement with clean and tidy factory area, green closed production line and ready transport vehicles. "Our core workshop for bulk cement production is composed of a set of combined grinding production lines, and the whole negative pressure production technology is used to reduce dust emissions in the production process." The person in charge of the enterprise introduced that compared with the traditional bagged cement, bulk cement has the advantages of reducing pollution, improving quality, intensive and increasing efficiency. It is estimated that every 10000 tons of bulk cement can save 60 tons of packaging paper, equivalent to 330 cubic meters of wood, and the production cost can be reduced by about 20%.
The picture shows Chengmai Huasheng Tianya Cement Co., Ltd.
, a bulk cement manufacturer, on the assembly building material production line of Hainan Chiguan Technology Co., Ltd., more than 30 workers are busy making light partition walls, the main raw material of which is bulk cement. "We used to use bagged cement, but the production process will produce dust, and its price will be about 5% to 8% more expensive than bulk cement." The person in charge of the enterprise said that the use of bulk cement in the production process would be more environmentally friendly and efficient, and the cost would be reduced. At the construction site of a project
in Haikou, workers are using ready-mixed mortar, a new type of green building material, which can solve the problems of poor mortar quality, low construction efficiency, occupying space and creating more dust. "According to the traditional practice, workers can make two cars of mortar an hour, and now we can almost make four to five cars of mortar, which more than doubles the efficiency." The person in charge of quality control of ready-mixed mortar said.
The picture shows Hainan Ruichen New Building Materials Co., Ltd.
, a ready-mixed mortar manufacturer. According to statistics, the supply of bulk cement in Hainan Province in 2022 is 10.32 million tons, the application of ready-mixed concrete is about 24.4157 million cubic meters, and the application of ready-mixed mortar is about 800000 tons, which is equivalent to the promotion of bulk cement. It can save 410600 tons of standard coal, reduce carbon dioxide emissions by 1067400 tons, reduce dust emissions by 179600 tons and reduce sulfur dioxide emissions by 35000 tons.
At present, Hainan is also vigorously promoting the development of a green industrial system integrating ready-mixed concrete, ready-mixed mortar, prefabricated buildings and other cement prefabricated components with the application of bulk cement as the core. At the same time, through various channels and forms, we will carry out publicity activities on the green industry of bulk cement in our province, further increase the social awareness and utilization rate of the green industry of bulk cement in Hainan, guide the transformation and upgrading of cement-related enterprises in the island, and make positive contributions to the construction of free trade port and energy conservation and emission reduction in Hainan.
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