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实用新型
CN204663959U 一种用于离心风机提效的进风密封装置 有权

一种用于离心风机提效的进风密封装置
摘要：
本实用新型公开了一种用于离心风机提效的进风密封装置，包括通过连接板连接在一起的离心风机壳体和进风口，离心风机壳体内安装有叶轮，叶轮靠近进风口的端部上加工有凹槽，连接板上安装有密封环的一端，密封环的另一端紧贴在凹槽内，在叶轮转动时，叶轮端部的凹槽紧贴着密封环运动，密封环阻挡叶轮与进风口之间的装配间隙从而实现提效。本实用新型的装置作为用于离心风机提效的进风密封装置，适用于现有离心风机提效改造，通过密封环能够实现完全密封，装置结构简单、易于实施、可有效提高风机的运行效率。
摘要（英）：

The utility model discloses an air inlet sealing device for centrifugal fan puies forward effect, including the centrifugal fan casing and the air intake that link together through the connecting plate, installing the impeller in the centrifugal fan casing, the impeller is fluted near processing on the tip of air intake, installs the one end of sealing ring on the connecting plate, and the other end of sealing ring is hugged closely in the recess, and when rotating impeller, the sealing ring motion is being hugged closely to the recess of impeller tip, thereby the sealing ring blocks the fit -up gap realization between impeller and the air intake puies forward the effect. The utility model discloses a device is as an air inlet sealing device for centrifugal fan puies forward effect, is applicable to current centrifugal fan and carries imitating and reform transform, can realize sealedly completely through the sealing ring, device simple structure, easy to carry out, can effectively improve the operating efficiency of fan.

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