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            <h1 id="inside_rnewtil">叶轮式流量计的工作原理</h1>
            <div class="inside_rnewtime">更新时间：2023-07-31  &nbsp;&nbsp;点击次数：1813次</div>
            <div class="inside_rnewcon"><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(0, 113, 185); visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">叶轮式流量计</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">利用流体的机械动能来转动叶轮（类似河船的桨）。转子上的桨叶插入液流中，将液流中的动能转化为旋转力，使得转子在轴上旋转。当流体流动得越快时，叶轮的旋转速度也会相应加快。轴的旋转可以通过机械方式或通过检测桨叶的移动来感测。</span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg __bg_gif" data-ratio="0.55" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_gif/D010ribVkGlN83bBa35TMCqy9uy1KI5Xib58Xzgh5aagHichRE39JbHAkic8PTRbpHmbJYapA2j4ibWibYIRKAaAnkWw/640?wx_fmt=gif" data-type="gif" data-w="200" data-index="1" src="https://img64.chem17.com/9/20230731/638264112201135972437.jpg" _width="289px" data-order="0" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; width: 289px !important; visibility: visible !important;"/></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">桨叶的移动通常通过磁力来检测，每个桨叶或嵌入的金属片的桨叶转动到磁块旁的时候会产生磁力脉冲。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">当流体移动得更快时，就会产生更多的脉冲。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">这样变送器就可通过处理脉冲信号以确定流体的流量。</span></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.7464114832535885" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/D010ribVkGlN83bBa35TMCqy9uy1KI5XibZMzDalte4kXWniaU7UtIUscZJFpaHO3ibIxJKAOYFbrr2jj811AYtmKA/640?wx_fmt=jpeg" data-type="jpeg" data-w="209" data-index="2" src="https://img64.chem17.com/9/20230731/638264112202386002170.jpg" _width="281px" crossorigin="anonymous" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; width: 281px !important; visibility: visible !important;"/><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.578px; font-size: var(--articleFontsize); text-align: justify; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(0, 113, 185); box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.034em; text-align: left; box-sizing: border-box !important; overflow-wrap: break-word !important;">叶轮式流量计</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; text-align: left; box-sizing: border-box !important; overflow-wrap: break-word !important;">测量管道中液体的流速，用于化学品、水和其它液体。如果仔细安装，可以获得高精度的测量结果。这种流量计是测量流体边缘的流量，因此它会受到粘度变化的影响。最常见的用途是用于流体（如水）中，在其他变量（例如pH/ORP、电导率、压力、温度和液位）受到监控的系统中。所有传感器均安装于同一管道并连接至一个控制器/变送器。该插入式叶轮式流量计虽然有温度和压力的限制，但用途非常广泛。叶轮流量计特别适合应用于水和化学工业的液体输配系统。在食品和饮料以及化学工业中有着多种应用。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; text-align: left; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(0, 113, 185); box-sizing: border-box !important; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">叶轮式流量计的使用注意事项</span></strong></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.31666666666666665" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/D010ribVkGlN83bBa35TMCqy9uy1KI5Xibv4QUJwcu5t8wQ2sichrfmwWwGID1MWVCC7xNabBWwArJDkLhtk8YCQw/640?wx_fmt=jpeg" data-type="jpeg" data-w="300" data-index="3" src="https://img64.chem17.com/9/20230731/638264112204105193635.jpg" _width="300px" crossorigin="anonymous" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; vertical-align: bottom; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; width: 300px !important; visibility: visible !important;"/><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 113, 185); font-size: 20px; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></strong></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">由于转子/轴承阻力会减慢转子速度，叶轮流量计在低流速下精度较低。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">确保这些流量计在量程的5%以上运行。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">并且叶轮流量计不应高速运行，因为可能会发生轴承过早磨损和/或损坏。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">测量非润滑流体时要小心，因为轴承磨损会导致流量计变得不准确并出现故障。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">在某些应用中，可能需要定期更换传感器并增加维护成本。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">不建议在脏液体中应用。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">当高故障率不可接受时，可以使用插入式电磁流量计来替代。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">&nbsp;总之，叶轮流量计的活动部件会随着时间和使用而消磨或退化。</span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">应避免</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">从气-液体转换状态介质，因为它们会对流量计产生机械应力，降低精度，甚至损坏流量计。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">这些情况通常发生在充填管道时或者可能会产生柱塞的情况下。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">两相流条件的介质也会导致流量计测量不准确。</span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: var(--articleFontsize); letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"></span></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg __bg_gif" data-backh="578" data-backw="578" data-ratio="1" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_gif/D010ribVkGlN83bBa35TMCqy9uy1KI5XibfRnyH64wyZeblUgj7TvGyDjpdTzTLk9Wc1yDsm0pFbJVCmDkjLACWQ/640?wx_fmt=gif" data-type="gif" data-w="600" data-index="4" src="https://img64.chem17.com/9/20230731/638264112627347600365.jpg" _width="100%" data-order="1" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; vertical-align: bottom; text-align: center; font-size: var(--articleFontsize); letter-spacing: 0.034em; caret-color: transparent; width: 677px; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important;"/></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg __bg_gif" data-backh="578" data-backw="578" data-ratio="1" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_gif/D010ribVkGlN83bBa35TMCqy9uy1KI5Xib8mKgTiaQiactZjTHu9qbz0G0QuOMaXdQeBPEJCgFCDxibFp8Gm5mbfwww/640?wx_fmt=gif" data-type="gif" data-w="600" data-index="5" src="https://img64.chem17.com/9/20230731/638264112629066417697.jpg" _width="100%" data-order="2" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; vertical-align: bottom; width: 677px; box-sizing: border-box !important; overflow-wrap: break-word !important; height: auto !important; visibility: visible !important;"/></p><p style="white-space: normal; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; box-sizing: border-box !important; overflow-wrap: break-word !important;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="676" data-backw="578" data-ratio="1.1703703703703703" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/D010ribVkGlN83bBa35TMCqy9uy1KI5XibReuXKLVm0pc43kbyb8WDaEQEeL6lH3qfMa8WdT1V4dKLpHsnYbayAA/640?wx_fmt=jpeg" data-type="jpeg" data-w="1080" data-index="6" src="https://img64.chem17.com/9/20230731/638264112631253961354.jpg" _width="100%" crossorigin="anonymous" alt="图片" data-fail="0" style="margin: 0px; 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