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[Chemical Knowledge]：The production and manufacturing method and process of modified asphalt.

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The manufacturing method
of modified asphalt
1. Introduction

modified asphalt is an important material widely used in the field of chemical production raw materials, with excellent high temperature resistance, anti-aging, waterproof and other properties. This paper will introduce the manufacturing method of modified asphalt in detail, including raw material selection, production process, quality control and so on.

2. raw material selection

1. base asphalt: the choice of high quality base asphalt is the key to the manufacture of modified asphalt, should choose appropriate viscosity, good stability, low wax content of asphalt as the base material.
2. modifier: the choice of modifier should be based on the specific use of modified asphalt to determine, commonly used modifiers are polymer, rubber, resin and so on.

3. production process

1. Ingredients: According to the predetermined formula ratio, add the basic asphalt and modifier to the batching tank, and fully stir to ensure that the raw materials are evenly mixed.
2. Melting: The mixture in the batching tank is sent to the melting tank and heated to a certain temperature to fully melt the asphalt and the modifier to form a uniform mixture.
3. Development: The molten mixture is kept at a certain temperature and stirring speed in the development tank, so that the modifier can fully react with the asphalt and improve the performance of the modified asphalt.
4. Finished product packaging: The developed modified asphalt is cooled, filtered, and then packaged according to the specified requirements to obtain the final modified asphalt product.

4. quality control

1. Testing raw materials: strict quality testing of basic asphalt and modifiers to ensure that raw materials meet relevant standards.
2. Process control: In the production process, pay close attention to parameters such as temperature and stirring speed to ensure that the operation of each process meets the regulations.
3. Finished product testing: quality testing of the produced modified asphalt, including viscosity, penetration, softening point and other indicators to ensure that the product meets the relevant standards and customer requirements.

5. precautions

1. Safety production: In the production process, strictly abide by the safety operation procedures to ensure the safety of employees and equipment.
2. Environmental protection requirements: In the production process, the impact on the environment should be minimized, and effective measures should be taken to control the discharge of pollutants such as waste gas and waste water.
3. Energy saving and consumption reduction: improve the energy efficiency of production equipment, optimize the production process, and reduce energy consumption and material consumption in the production process.

6. conclusion

modified asphalt manufacturing method involves many links and process parameters, in order to ensure product quality and production efficiency, it is necessary to strictly control the quality of raw materials, optimize the production process, strengthen quality management and environmental protection measures. Through the manufacturing method introduced in this paper, it is hoped that it can provide some reference and guidance for the production of modified asphalt in the field of chemical production raw materials.

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