的作用是能自动、间歇排出蒸汽管道及蒸汽设备系统中的冷凝水，并能防止蒸汽泄出。
Traps can automatically is the role of intermittent steam from the steam pipes and equipment in the condensed water system and to prevent the steam Xiechu.
湿物料在其中被过热蒸汽加热脱水后排出干燥系统，而来自上一级干燥的过热蒸汽则冷凝为冷凝水后排出干燥系统。
Wet materials in them was overheating steam heating dehydration back out dry system, and from higher level dry superheated steam is condensed water condensation for rear out drying system.
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