packing box seal 中文意思是什麼

packing box seal 解釋
填料函密封
  • packing : n 1 包裝,打包,打行李,包紮;包裝材料,包裝用品;包裝法。2 (縫隙)填料〈舊棉絮等〉。3 〈美國〉...
  • box : n 1 箱,櫃,匣,盒;罩殼;錢櫃;〈美口〉保險箱;郵箱,信箱;〈英國〉禮盒;禮物(旅行用)衣箱。2 ...
  • seal : n 〈sing pl 〉【動物;動物學】1 海豹。2 海豹毛皮(製品)。3 海豹皮色〈灰黃深褐色〉。4 〈Seals〉〈...
  1. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
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