There are many methods of plastic molding. Injection molding is one of them. Injection molding is also called injection molding, which is called injection molding for short. It is a main molding method of thermoplastic. Because it has the advantages of wide application, short forming cycle, high production efficiency, good production conditions, easy mechanization and automation, it plays an important role in the whole plastic forming process.Injection molding refers to injecting granular or powdery plastic from the hopper of the injection machine into the high-temperature barrel, heating, melting and plasticizing to make it a flowing melt, and then under the high pressure of the plunger or screw of the injection machine, it passes through the nozzle at a large flow rate and is injected into the mold cavity. After a period of pressure maintaining, cooling and shaping, When the mold is opened, the Plastic Parts with certain shape and size can be detached from the mold cavity. In this way, the time required to complete an injection cycle can range from a few seconds to tens of seconds, which mainly depends on the size and thickness of the workpiece. Plastic Injection Components,Plastic Injection Molding Components,Plastic Injection Molding Mach,High Pressure Custom Plastic Injection Molding Suzhou Dongye Precision Molding Co.,Ltd. , https://www.sjinjectionmolding.com
Faced with the pressure of intensifying constraints on resources and environment, accelerating the transformation of industrial development methods, promoting the development of industries from large to strong, and realizing the development of enterprises to resource-saving and environment-friendly development are urgent requirements for achieving sustainable industrial development. Cultivating a batch of "two-type" enterprises and establishing advanced models for industrial development will play an important role in guiding the adjustment of industrial structure, transforming the mode of development, promoting industrial transformation and upgrading, and upgrading the overall quality.
According to the requirements for the establishment of "two-type" enterprises jointly issued by the Ministry of Industry, Ministry of Finance, and Ministry of Science and Technology, after three years of pilot projects, a number of model enterprises will be established in key industries to form a resource-saving and environment-friendly development model and basic ideas for pilot industries. Research and determine the "two-type" enterprise evaluation criteria and index system in different industries; accumulate experience and establish typical models, and lay a solid foundation for building a resource-saving and environment-friendly society. At the same time, it is required that pilot companies prepare pilot projects for “two-type†enterprises, including the energy consumption of the company in the past three years, waste emissions and comprehensive utilization in the past three years, and the proposed development goals for the “two-type†enterprises. Specific goals and other content.
Twenty-five chemical and petrochemical enterprises were selected for the first batch of "two-type" pilots, involving petroleum refining, coal chemical, chemical fertilizer, coking, rubber, fine chemicals and many other fields, including China National Petroleum Corporation Fushun Petrochemical Company, Inner Mongolia Ito Coal Group, Yunnan Yuntianhua Co., Ltd., Shanxi Coking Group Co., Ltd., Huaqin Rubber Industry Group, Yantai Wanhua Polyurethane Co., Ltd., etc.
Through these three-year efforts, these pilot enterprises will form a “two-type†demonstration enterprise and achieve industry-leading levels in terms of product structure, output efficiency, resource conservation, and environmental protection: the efficiency of enterprise resource output will reach the leading domestic level; The consumption of energy, water and raw materials of products is significantly reduced, far below the average level of the industry; the level of recycling of wastes is substantially increased; solid waste is basically fully utilized; waste water strives to achieve recycling and “zero†emissions, waste gas, residual heat and residual pressure, etc. Fully and rationally utilized; pollutant emissions have been greatly reduced, and "three wastes" emissions have reached the leading domestic level.
On December 27, the Ministry of Industry and Information Technology, the Ministry of Finance, and the Ministry of Science and Technology jointly issued the “Notice on Printing Work Requirements for the Creation of Resource-Conserving Environment-Friendly Enterprises and List of Pilot Enterprises (First Batch)â€, and announced the chemical and petrochemical industries. The first batch of 121 “two-type†pilot companies in 9 key industries such as construction materials, automobiles, machinery and equipment. Among them, there are 25 companies in the chemical and petrochemical industry, which is the largest number of pilot companies. The pilot implementation period is tentatively scheduled for 3 years.