正壓稀相氣力輸送系統是采用羅茨風機或者羅茨空壓泵作為動力源。利用空氣動能作為輸送介質，物料以比較高的速度并以分散懸浮的狀態在管道中輸送。輸送的壓力一般根據工況條件不同可在幾千帕到幾百千帕范圍內調整。　　利用氣體動壓，物料以較高速度在輸送管道中前進(8m/s-25m/s )，輸送壓力沿輸送管道逐漸降低;　　連續輸送，輸送流態、輸送壓力與輸送速度、料氣比基本保持穩定;　　在一定情況下，輸送距離較正壓密相短、較負壓稀相長;　　輸送過程中，羅茨鼓風機的出口空氣溫度較高;　　為了防止串氣，系統需要配備密閉性較好的旋轉供料閥/旋轉閥/星型卸料閥/關風機卸料器?！倦娫?微信咨詢：陳經理18068546632】　　正壓輸送旋轉閥/風送式旋轉閥主要用于化工、食品、藥材、鋰電、塑料原料輸送?！　♂槍ξ锪险辰?，風力直吹轉子清理物料?！　≈饕馁|：不銹鋼304-316、鈦合金、鋁合金、各種合金。       《掃二維碼-添加 陳經理 微信-咨詢鏈驅動正壓旋轉閥》　　The positive pressure dilute phase pneumatic conveying system uses Roots blower or Roots air pump as the power source. Using air kinetic energy as a conveying medium, materials are transported in pipelines at relatively high speeds and in a dispersed and suspended state. The conveying pressure can generally be adjusted within the range of several thousand pascals to several hundred kilopascals according to different working conditions.　　Using gas dynamic pressure, the material advances at a high speed in the conveying pipeline (8m/s-25m/s), and the conveying pressure gradually decreases along the conveying pipeline;　　Continuous conveying, the conveying flow state, conveying pressure and speed, and material gas ratio remain basically stable;　　In certain circumstances, the conveying distance is shorter than that of the positive pressure dense phase and longer than that of the negative pressure dilute phase;　　During the conveying process, the outlet air temperature of the Roots blower is relatively high;　　In order to prevent air leakage, the system needs to be equipped with a well sealed rotary feeding valve/rotary valve/star shaped discharge valve/shut-off fan discharge device.　　Positive pressure conveying rotary valve/pneumatic rotary valve is mainly used for conveying chemical, food, medicinal materials, lithium batteries, and plastic raw materials.