The machine-made sand production equipment and process can be adjusted to meet the diverse needs of customers
The application of machine-made sand has improved and alleviated a series of environmental problems caused by digging sand, reduced the production cost of commercial concrete and the price of construction sand, and reduced the pressure of construction sand. Because the production of machine-made sand from nearby materials solves the problem of long transportation distance and saves resources
It is necessary to build a new machine-made sand production line project, mainly for the following reasons. First, the use of machine-made sand is the development trend. Through years of development, my country's machine-made sand technology has become increasingly mature. It has been proved through a large number of tests and applications that the quality and cost of machine-made sand has certain advantages compared with natural sand. After manual control, screening and washing, its quality is better than natural sand, and it will become concrete and other important aggregates of building materials. Second, it can reduce the operating cost of enterprises. Third, the specific surface area of machine-made sand is larger, and the prepared concrete has higher strength. The machine-made sand particles have many edges and corners, and the surface is rough, which is conducive to bonding with cement and other cementing materials, thereby improving the strength of concrete, and also brings the disadvantage of poor workability from the surface. The inert admixtures in machine-made sand, stone powder Just to make up for this shortcoming. At the same time, an appropriate amount of stone powder can play a filling role, which is conducive to the improvement of the strength of machine-made sand concrete, but the content of stone powder corresponding to different strength grades of machine-made sand concrete is different. Fourth, the raw materials of the machine-made sand are controllable, the performance is stable, and it is less affected by the policy. For the production of machine-made sand, you can choose rocks such as limestone, bluestone, cobblestone, granite, etc. These stones contain less harmful substances and have uniform and stable performance. In addition, machine-made sand farms can meet environmental protection requirements through various dust reduction measures to reduce the impact of environmental protection policies. However, the damage to the ecological environment caused by natural sand mining is irreparable, and it is currently an act that is severely cracked down by the government. Fifth, the machine-made sand production equipment and process can be adjusted to meet the diverse needs of customers. The production of machine-made sand can be controlled by adjusting and controlling the equipment and process of producing machine-made sand, so as to produce machine-made sand with excellent grain shape and meet the needs of concrete mix design, and its reasonable gradation, low porosity and stable product. This is natural sand. beyond. Sixth, the manufactured sand project can not only solve environmental problems but also improve resource utilization. The application of machine-made sand has improved and alleviated a series of environmental problems caused by destroyed fields and sand excavation, reduced the production cost of commercial concrete and the price of construction sand, and reduced the pressure of construction sand tension. Because the production of machine-made sand from nearby materials solves the problem of long transportation distance, saves resources, reduces costs, and protects the environment. Seventh, the application of machine-made sand to concrete is the need for sustainable development. As the main raw material of concrete, sand is playing an increasingly important role in the construction market. The advantage of machine-made sand is that it can reuse a large amount of waste ore, tailings and river pebbles; on the other hand, sand produced by superior sand making equipment The sand is generally of good quality and can adapt to the needs of various grades of concrete. To sum up, the current machine-made sand production line project has mature technology, and the equipped environmental protection treatment facilities and some processes have been improved. It is recommended to approve the project and set the preconditions for the project. The environmental impact planning approval system should be strictly implemented before the project construction, and the construction will be approved after the waste gas, dust and noise pollution are controlled.
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