摘要
新研制的508mm(20英寸)中压球阀广泛用于石油、天然气、市政工程供气、供水等行业,该大口径球阀设计了新型C形金属密封环组件,用于自紧阀杆密封机构;在阀座与球体之间采用整体碟形弹簧和新型阀座密封填料,以保证高压密封,提高使用寿命;采用了空心球体结构和分段冲压成形加工工艺,有效地保证了球体的加工精度和质量,降低生产成本;对其中结构复杂的球体进行了ANSYS应力和变形分析计算,在结构设计中,充分考虑了球阀的密封、防火、启闭传动及制造工艺的要求。该产品最终按照APISpec6D(20版)《管线阀门规范》进行试验验收,其各项指标均达到设计要求。
The newly developed φ508 mm medium pressure ball valve adopts new C-shaped metal seal ring for tightening valve rod sealing mechanism, and applies integrated disc spring and new valve seat sealing stuff between the valve seatand the ball to ensure high pressure sealing and improve service life. In addition, a hollow ball structure is selected and the sectional stamping forming technology is employed to assure the high machining accuracy and low cost. Furthermore, ANASYS stress and deformation analysis of the ball with complicated structure is made, and the requirements of sealing and fire-proof and switching of the valve are considered in the structural design.
出处
《石油机械》
北大核心
2005年第9期45-48,93,共4页
China Petroleum Machinery
基金
江苏省科技攻关项目(BE2003321)。
