The improvement design is made of pressurized sealing of the solid medium in view of problems concerned.A gas protective pressurization is taken out to prevent pressurized surface from being worn out.

　
英 美
  • 根據含固體顆粒介質(zhì)密封存在的問(wèn)題進(jìn)行設計改進(jìn),采取氣體保護密封方案防止密封面磨損,并在理論上加以分析、計算,設計出較佳密封結構。
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