聚丙烯，简称PP，是一种丙烯经过加聚反应而生成的聚合物，是一种性能优良

Polypropylene, abbreviated as PP, is a polymer produced by the addition polymerization of propylene and a thermoplastic synthetic resin with excellent properties. Polypropylene has chemical resistance, heat resistance, insulation, high-strength mechanical properties and excellent processing resistance. Therefore, since the birth of polypropylene, it has been widely used in many fields, such as automobiles, machinery, electrical appliances, textiles And packaging. The mechanical properties of polypropylene are higher than that of polyethylene. Polypropylene has higher strength, rigidity and hardness than polyethylene. However, polypropylene has lower strength, rigidity and hardness in plastic materials. In order to enhance the mechanical properties of polypropylene, when higher strength is required, the polypropylene is modified and basalt fiber is used to synthesize basalt fiber reinforced polypropylene composite material. The mechanical properties of this composite material are greatly enhanced than those of polypropylene. <br>This design has a comprehensive analysis of the current production status of basalt fiber-reinforced polypropylene composite materials, the properties and properties of basalt fiber-reinforced polypropylene composite materials, and the use of basalt fiber-reinforced polypropylene composite materials. This design has improved the production process of basalt fiber-reinforced polypropylene to a certain extent. It adopts relatively reasonable and efficient production equipment. The twin-screw extruder is used to produce basalt fiber-reinforced polypropylene composite material by melt blending. The impact of the evaluation of the site selection of the factory, the economic calculation of the input equipment capital and the total input cost, and the use of Auto-CAD to draw the floor plan of the workshop and the production process flow chart of this design. This design fully considers factors such as reducing energy consumption, environmental protection, and three-waste treatment to achieve safe production requirements. <br>Keywords: basalt fiber; polypropylene; mechanical properties; design

Polypropylene, or PP for short, is a polymer produced by acrylic by a polyfusion reaction, and is a thermoplastic synthetic resin with excellent performance. Polypropylene has chemical resistance, heat resistance, insulation, high-strength mechanical properties and excellent processing properties, so since the birth of polypropylene has been widely used in many fields, such as automotive, machinery, electrical appliances, textiles and packaging. The mechanical properties of polypropylene are higher in strength, stiffness and hardness than polyethylene, but the strength, stiffness and hardness of polypropylene in plastic materials are lower. In order to enhance the mechanical properties of polypropylene, when a higher intensity is required, polypropylene is modified, basalt fiber is used to synthesize basalt fiber to enhance polypropylene composite materials. The mechanical properties of this composite material are greatly enhanced than that of polypropylene.<br>This design has a more comprehensive analysis of the current situation of foreign production of basalt fiber-reinforced polypropylene composite materials, the properties of basalt fiber-reinforced polypropylene composite materials and the use of basalt fiber-reinforced polypropylene composite sons. This design of basalt fiber-reinforced polypropylene production process has been improved to a certain extent, using a more reasonable and efficient production equipment, through the twin screw extruder melting mixed production basalt fiber-reinforced polypropylene composite materials, according to the impact of the production on the environment, the factory site selection was evaluated, the total input cost of the input of equipment was economically accounted for, and Auto-CAD drew the workshop floor plan and the production process diagram of the design. This design takes full account of reducing energy consumption, environmental protection, three waste treatment and other factors to achieve the requirements of safe production.<br>Keywords: basalt fibers; polypropylene; Mechanical properties; Design

Polypropylene, abbreviated as PP, is a kind of polymer formed by the addition polymerization of propylene. It is a thermoplastic synthetic resin with excellent performance. Polypropylene has chemical resistance, heat resistance, insulation, high-strength mechanical properties and excellent processing resistance. Therefore, since the birth of polypropylene, it has been widely used in many fields, such as automobile, machinery, electrical appliances, textile and packaging. Compared with PE, the mechanical properties of PP are higher in strength, rigidity and hardness. However, the strength, rigidity and hardness of PP are lower in plastic materials. In order to enhance the mechanical properties of polypropylene, when high strength is needed, the polypropylene is modified and basalt fiber is used to synthesize basalt fiber reinforced polypropylene composite. The mechanical properties of the composite are better than that of polypropylene.<br>This design has a comprehensive analysis of the production status of basalt fiber-reinforced polypropylene composite in foreign countries, the properties and properties of basalt fiber-reinforced polypropylene composite, and the use of basalt fiber-reinforced polypropylene composite. In this design, the production process of basalt fiber-reinforced polypropylene has been improved to some extent, and a more reasonable and efficient production equipment has been adopted. The basalt fiber-reinforced polypropylene composite material is produced by melt blending of twin-screw extruder. According to the impact of the production on the environment, the site selection of the factory has been evaluated, and the investment in equipment funds and total investment cost have been carried out The economic calculation is carried out, and the workshop layout and the production process flow chart of this design are drawn with Auto CAD. In this design, factors such as reducing energy consumption, environmental protection and three wastes treatment are fully considered to meet the requirements of safe production.<br>Key words: basalt fiber; polypropylene; mechanical properties; design<br>