Analysis on Application of Negative Pressure System of Compact Spinning for Short Vehicle on Spinning Frame
In order to improve yarn quality and realize energy saving and consumption reduction,the technical requirements and main components of the negative pressure system of compact spinning for short vehicle are introduced.According to the structure of negative pressure main air duct,the compact spinning negative pressure system is divided into octagon big air duct type,octagon small air duct type,octagon upper air duct type,and double row circular upper air duct type.The advantages and disadvantages of different types of compact spinning negative pressure main air duct are analyzed in detail from the aspects of power saving performance,neg-ative pressure balance,cost performance and requirements for roving frame arrangement.The development and application of various types of compact spinning negative pressure system are also described.It is pointed out that the double row circular upper air tube type compact spin-ning negative pressure system has excellent power saving performance,small pressure differ-ence between the front and rear of the branch air duct,good negative pressure balance,low manufacturing cost main air duct,small installation workload and good use effect.
spinning frameshort vehiclecompact spinningnegative pressure systemmain air ductbranch air ductnegative differential pressurecreel
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