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    • 9. 发明申请
    • SEALING APPARATUS FOR APPLYING CORROSION PREVENTION COMPOUND IN THE GAP BETWEEN PIPE FLANGES WITHOUT USING HEAT
    • 密封设备在不使用热源的情况下在管道法兰间隙中应用腐蚀防护化合物
    • US20150021859A1
    • 2015-01-22
    • US14334751
    • 2014-07-18
    • PTT Public Company Limited
    • Cheeraporn AnanthanawatUngkana WongsiriwanPatchareeporn SintoorahatChamlong Prabkeao
    • F16L23/16F16J15/02
    • F16J15/021B05C5/0241F16L23/165F16L58/187
    • Sealing apparatus for applying corrosion prevention compound in the gap between flanges without using heat consists of 3 units including hydraulic power unit, compound injection cylinder unit, and flange belt unit. The present invention is used to apply corrosion prevention compound in the gap between flanges without using heat for melting the compound before sealing. The compound injection cylinder unit comprises two integrally formed cylinders sharing one connecting rod wherein the lower cylinder defines the hydraulic cylinder and the upper cylinder defines the compound injection cylinder. The compound injection cylinder unit is vertically formed on a pushcart provided with wheels for manual transportation. A threaded coupler is provided on top of the lid of the compound injection cylinder for connection with a hose for transferring the compound to the inlet on the flange belt unit. The flange belt unit is provided in various diameters from 2-24 inches. The application of corrosion prevention compound in the gap between flanges is carried out by applying the pressure from the hydraulic cylinder powered by the hydraulic power unit to inject the compound in the cylinder through the hose into the gap between the flanges of pipes.
    • 使用防腐蚀化合物的密封装置在不使用热量的法兰间隙内由包括液压动力单元,复合注射缸单元和法兰带单元的3个单元组成。 本发明用于在法兰间隙中施加防腐蚀化合物,而不需要在密封之前熔化化合物的热量。 复合注射缸单元包括两个一体形成的共享一个连杆的气缸,其中下气缸限定液压缸,上气缸限定复合注射缸。 复式注射缸单元垂直地形成在具有用于手动运输的轮子的手推车上。 在复合注射缸的盖的顶部设有螺纹联接器,用于与用于将化合物转移到凸缘带单元上的入口的软管连接。 凸缘带单元设置为2-24英寸的各种直径。 通过施加由液压动力单元供电的液压缸的压力通过软管将化合物注入缸中的管道的法兰之间的间隙,来实现防腐蚀化合物在法兰间隙中的应用。