A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Conveying elbow and preparation method thereof
The invention relates to the technical field of concrete conveying, and discloses a conveying elbow pipe and a preparation method thereof.The conveying elbow pipe comprises an outer pipe layer (4) and an inner pipe layer (2), the outer pipe layer (4) and the inner pipe layer (2) make contact with each other and form metallurgical bonding, the contact interface is of a mutually-embedded concave-convex structure, and a wear-resisting part (3) is embedded in a wear-resisting area of the inner pipe layer (2); the thickness of the wear-resisting part (3) is gradually reduced from the center to the periphery, the maximum thickness of the wear-resisting part (3) is smaller than that of the inner pipe layer (2), the inner surface of the wear-resisting part (3) is flush with the inner surface of the inner pipe layer (2), a plurality of meshes are formed in the wear-resisting part (3), and chemical components of the inner pipe layer (2) permeate into the meshes to form metallurgical bonding. According to the conveying elbow provided by the invention, the zero clearance of the elbow is fully realized, the problem of early rupture failure caused by insufficient shock resistance of the inner pipe of the elbow due to the clearance between the pipes is avoided, and the wear resistance and the shock resistance are remarkably improved.
本发明涉及混凝土输送技术领域，公开了一种输送弯管及其制备方法，包括外管层(4)、内管层(2)，外管层(4)与内管层(2)相互接触并形成冶金结合，在接触界面呈相互嵌入的凹凸结构，内管层(2)的耐磨区域内镶嵌有耐磨部(3)，耐磨部(3)的厚度由中心向四周逐渐减小，耐磨部(3)的最大厚度小于内管层(2)的最大厚度，耐磨部(3)的内表面与内管层(2)的内表面平齐，耐磨部(3)上设有若干网孔，内管层(2)的化学组分渗入所述网孔中，形成冶金结合。本发明提供的输送弯管充分实现弯管的无间隙化，避免了管间间隙使得弯管内管抗冲击性能不足而造成的早期破裂失效问题，耐磨性和抗冲击性均得到显著提升。
Conveying elbow and preparation method thereof
The invention relates to the technical field of concrete conveying, and discloses a conveying elbow pipe and a preparation method thereof.The conveying elbow pipe comprises an outer pipe layer (4) and an inner pipe layer (2), the outer pipe layer (4) and the inner pipe layer (2) make contact with each other and form metallurgical bonding, the contact interface is of a mutually-embedded concave-convex structure, and a wear-resisting part (3) is embedded in a wear-resisting area of the inner pipe layer (2); the thickness of the wear-resisting part (3) is gradually reduced from the center to the periphery, the maximum thickness of the wear-resisting part (3) is smaller than that of the inner pipe layer (2), the inner surface of the wear-resisting part (3) is flush with the inner surface of the inner pipe layer (2), a plurality of meshes are formed in the wear-resisting part (3), and chemical components of the inner pipe layer (2) permeate into the meshes to form metallurgical bonding. According to the conveying elbow provided by the invention, the zero clearance of the elbow is fully realized, the problem of early rupture failure caused by insufficient shock resistance of the inner pipe of the elbow due to the clearance between the pipes is avoided, and the wear resistance and the shock resistance are remarkably improved.
本发明涉及混凝土输送技术领域，公开了一种输送弯管及其制备方法，包括外管层(4)、内管层(2)，外管层(4)与内管层(2)相互接触并形成冶金结合，在接触界面呈相互嵌入的凹凸结构，内管层(2)的耐磨区域内镶嵌有耐磨部(3)，耐磨部(3)的厚度由中心向四周逐渐减小，耐磨部(3)的最大厚度小于内管层(2)的最大厚度，耐磨部(3)的内表面与内管层(2)的内表面平齐，耐磨部(3)上设有若干网孔，内管层(2)的化学组分渗入所述网孔中，形成冶金结合。本发明提供的输送弯管充分实现弯管的无间隙化，避免了管间间隙使得弯管内管抗冲击性能不足而造成的早期破裂失效问题，耐磨性和抗冲击性均得到显著提升。
Conveying elbow and preparation method thereof
输送弯管及其制备方法
LING QUN (author) / LI SHU (author) / LIU PINPIN (author) / WU KAIXI (author) / WANG XIAOHU (author)
2024-12-31
Patent
Electronic Resource
Chinese
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