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</span><span>点击数:<Script Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=2984"></Script> </span></div> <div class="dis_intro">当系统阻力曲线高于设计值的时候,风机的实际工作点往左上方移动,由点0到点1,会导致风机的实际压力比设计值要高,风机的实际流量比设计值要小? </div> <div class="dis_content"> <div id="MyContent"><p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px; text-indent: 2em;">当系统阻力曲线高于设计值的时候,风机的实际工作点往左上方移动,由点0到点1,会导致风机的实际压力比设计值要高,风机的实际流量比设计值要小?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em; text-align: center;"> <img alt="离心鼓风? src="/UploadFiles/2022-12/2/2022122009332836415.jpg" style="border-width: 0px; border-style: solid;" /></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">当风机的实际压力接近风机的极限压力的时候,风机运行就不稳定,风机就会发生失速现象?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">由此可见,风机下面的性能问题都可能是由于系统阻力过高造成的:</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风机失?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风机流量不足</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">这种情况下,解决问题需要降低系统阻力,可采取下面的措施?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">全开系统中的风门</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">清洗系统堵塞的情况,降低阻力</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">检查系统漏风的情况</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">开大风机的调节挡板</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">同理,当系统阻力曲线低于设计值的时候,风机的实际工作点往右上方移动,由点0到点2,会导致风机的实际压力比设计值要低,风机的实际流量比设计值要大?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">这种情况下,电机可能出现过载情况?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">因此,风机下面的性能问题都可能是由于系统阻力过低造成的:</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">电机过载</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风机压力上不?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">这种情况下,解决问题需要增加系统阻力,可采取下面的措施?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">减小系统中的风门开?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">向其他应用供?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">关小风机的调节挡?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">相关阅读?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 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