Organic powder coating nodular cast iron pipe product and manufacturing process thereof
By applying organic powder coating to the inner wall of ductile iron pipes, the problem of weak and easy corrosion of conventional coatings is solved, and high adhesion, wear resistance and corrosion resistance are improved, and it is suitable for drinking water transportation.
CN119076349APending Publication Date: 2024-12-06GUANGDONG XINXING DUCTILE IRON PIPES CO LTD
Patent Information
- Application Number
- CN202411498780.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2024-12-06
AI Technical Summary
Technical Problem
The coating of conventional ductile iron water pipes is generally thin, easy to corrode, and affects service life.
Method used
Using organic powder inner spray coating, including food grade polyaspartate polyurea resin, epoxy resin, polyethylene plastic or polypropylene plastic, the matrix and coating bonding force is increased by grinding and blasting, and using press-transfer centrifugation The spraying method forms a coating with a thickness of 0.3 mm-5 mm.
Benefits of technology
It improves the adhesion, wear resistance, corrosion resistance and UV resistance of the coating, meets the regulations of GB/T13295 and GB/T26081, and is suitable for drinking water transportation.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN119076349A_ABST
Abstract
The invention belongs to the technical field of nodular cast iron pipe machining, and particularly relates to an organic powder coating nodular cast iron pipe product which comprises a nodular cast iron pipe body and an organic powder inner spraying layer, the organic powder inner spraying layer is evenly arranged on the inner wall of the nodular cast iron pipe, and the organic powder inner spraying layer is an organic component. The organic component is one of food-grade polyaspartic acid ester polyurea resin, food-grade epoxy resin, food-grade polyethylene plastic, food-grade polypropylene plastic or food-grade polyvinyl alcohol; the manufacturing process comprises the following steps: S1, base material pretreatment: carrying out pretreatment such as polishing and shot blasting treatment on the inner wall of the nodular cast iron pipe so as to increase the surface area of the inner wall and increase the binding force of a coating and a base body; and S2, a coating process. The coating of the nodular cast iron pipe is high in adhesive force, high in finish degree, good in abrasion resistance, resistant to corrosion and ultraviolet rays, free of discoloration, capable of meeting the regulations of GB / T13295 and GB / T26081 and capable of directly conveying drinking water.
Need to check novelty before this filing date? Find Prior Art
Citation Information
Cited By
Nodular cast iron pipe product based on composite material outer spray paint and manufacturing process
CN119914782A