Three-in-one washing kettle for preparing chlorinated polyethylene

Abstract

The invention provides a three-in-one washing kettle for preparing chlorinated polyethylene, and belongs to the technical field of chemical equipment. The three-in-one washing kettle comprises a tank body, a heating coiled tube and a stirring device, wherein the tank body is wrapped by a heat-preservation layer; a high-temperature and corrosion-resisting layer is arranged on the inner wall of the tank body; a filter is arranged in the position, 1 / 6-1 / 4 away from the bottom of the tank body, of the tank body; the heating coiled tube is communicated with the top of the tank body and extends into the tank body; the stirring device comprises a stirring motor arranged outside the tank body, stirring blades arranged inside the tank body, and a rotating shaft connected with both the stirring motor and the stirring blades; surface layers of the heating coiled tube, the rotating shaft and the stirring blades are coated with a high-temperature and corrosion-resisting layer. By adopting the three-in-one washing kettle, three steps of deacidification, neutralization and dealkalization in the deacidification process can be integrated in sequence in the chlorinated polyethylene preparation process, the production equipment and the maintenance cost can be reduced, the material transferring time can be shortened, the production period can be shortened, the production efficiency can be improved, heat can be rapidly conducted, the thermal energy utilization rate is high, and the production energy consumption is low.

Description

【Technical field】 [0001] The invention relates to the technical field of chemical equipment, in particular to a three-in-one washing kettle for preparing chlorinated polyethylene. 【Background technique】 [0002] Chlorinated polyethylene (CPE) is a saturated polymer material with excellent weather resistance, odor resistance, chemical resistance and aging resistance, as well as good oil resistance, flame retardancy and coloring properties; its toughness is good. , has good compatibility with other polymer materials, and has a high decomposition temperature. With its unique advantages, chlorinated polyethylene has been widely used in plastics, gums, building materials, electromechanical, automobile, military and other fields, and has become an important production and living material. [0003] At present, the methods for producing chlorinated polyethylene mainly include solvent method and aqueous suspension method, among which the aqueous suspension method is the most common....

AI Technical Summary

Problems solved by technology

Use different equipment to carry out deacidification, neutralization, and dealkalization in sequence. Although this method does not have high requirements for each equipment, it uses a lot of equipment, which increases the production area and equipment maintenance costs, and increases the material transfer time. The entire chlorinated polyethylene production cycle reduces production efficiency; and the existing reactor usually has the problem of slow heat conduction and low heat energy utilization, resulting in high production energy consumption

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