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[Chemical Knowledge]：Production and manufacturing method and process flow of PE hollow

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PE Hollow Manufacturing Method: Exploration
in the Field of Raw Materials for Chemical Production
Abstract

This paper introduces in detail the research and practice of PE hollow manufacturing method in the field of raw materials for chemical production. Through the analysis of PE material characteristics, the production process and equipment selection of PE hollow products are described, and the possible problems and solutions in the manufacturing process are discussed. This study aims to provide theoretical support and practical guidance for the production of PE hollow products.

1. Introduction

With the rapid development of the chemical industry, polyethylene (PE), as a common plastic material, has been widely used in various fields. PE hollow products because of its light, durable, low price and other characteristics, has become the preferred material for many industries. This paper will deeply explore the manufacturing method of PE hollow products, in order to improve production efficiency, reduce costs, and create greater economic benefits for enterprises.

2. PE material characteristics

polyethylene (PE) is a thermoplastic resin with good low temperature resistance, good chemical stability and excellent electrical insulation properties. At the same time, PE has a low density, is easy to process and form, and the price is relatively low. These characteristics make PE in the field of chemical production raw materials has a wide range of application prospects.

3. PE hollow products production process

1. ingredients and mixing

according to product requirements, the selection of appropriate PE resin, additives and additives ingredients. Add the batched materials into the internal mixer or open mixer for mixing to ensure uniform mixing of the materials.

2. extrusion molding

the material after mixing into the extruder, through the rotation of the screw and heating, the material melt plasticization, the formation of continuous and stable tubular extrudate.

3. Blow Molding

The extruded tubular extrudate is introduced into the blow mold and expanded by compressed air to form the desired hollow product shape against the inner wall of the mold.

4. cooling and shaping

through the cooling fan or water cooling system, the blow molding products are cooled, so that the rapid curing and shaping.

4. equipment selection and operation skills

In the production process of PE hollow products, it is of great significance to select the appropriate equipment and master the operation skills to improve production efficiency and reduce costs. The following are some suggestions:

1. Extruder: Choose an extruder with high torque, high precision and good stability to meet different production needs.
2. Blow mold: Select the appropriate mold according to the product requirements to ensure the dimensional accuracy and surface finish of the product.
3. Cooling system: Choose an efficient cooling system to improve production efficiency.
4. Operation skills: master the appropriate temperature, pressure, speed and other parameters to ensure the stability of the production process and improve product quality.

5. manufacturing process problems and solutions

In the manufacturing process of PE hollow products, some problems may occur, such as uneven surface of products, size deviation, material waste, etc. In view of these problems, the following measures can be taken to solve:

1. Adjust the formula and mixing process to improve the uniformity of the material.
2. Optimize extrusion and blow molding parameters to improve product dimensional accuracy and surface quality.
3. Strengthen equipment maintenance and maintenance, reduce failure rate and improve production efficiency.
4. Train operators, improve skills and reduce material waste in the production process.

6. Conclusion

Through the discussion of the manufacturing method of PE hollow products, we understand the problems that need attention in the production process and the corresponding solutions. By selecting appropriate equipment and mastering operation skills, we can further improve production efficiency, reduce costs, and create greater economic benefits for enterprises. At the same time, continuous research and improvement of manufacturing methods will help promote technological progress and development in the field of chemical production raw materials.

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