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border-style: solid;" /></div> <p style="margin-bottom: 5px; text-align: center;"> <span style="font-size: 16px;"> </span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;"> 在这离心式风机选择上,这要确定的是选择高压,还是高温,还是中压,或者是其他普通的类型风机,而选择高压风机上,要确定气体的密度,流量,压力,这是离心风机选择的三个元素的过程ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  密度:如果不给定密度,则需要根据风机的工作环境,如高度、局部大气压、工作温度、气体密度等,计算或转换运行气体的密度ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  压力:根据给定的或计算出的工作条件密度,将工作条件压力转换成风扇的标准状态压力。如果风扇被送入空气箱或消声器,则应考虑压力损失。损失可以计算或估算。估计损失一般在100-300帕之间ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  流量:如果系统需要气体的质量流量,就需要将气体的质量流量转换为风扇标准状态下的体积流量。如果系统需要气体的体积流量,则风扇标准状态下的体积流量与工作条件下的体积流量相同ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  其次是计算风机的比旋转数,因为比转速的计算是离心风机选型过程中的一个重要步骤,是判断风机特定模型选择的主要依据。根据风机标准状态下性能参数和转速的计算公式,可以根据不同的转速获得不同的比转速。一阶比旋转数是单吸风机的基础,二阶比旋转数是双吸风机的基础ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  高压离心风机模型决定了其性能曲线。将性能曲线分为维数曲线和无量纲曲线。无量纲曲线是决定是否满足场景要求的基础,无量纲曲线是描述风机特性的基础,维数代表特殊性,无量纲维代表普适性。常用的无量纲参数有流量系数、压力系数、内部效率和比旋转数。流量系数和压力系数的影响因素之一可以作为计算风机数量的依据,比转速是选择风机模型的依据,内部效率是判断模型的依据ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  根据风扇的特定转速,选择风扇的模型,在高效区判断对应的点。例如,在高效率区域,根据相应的流量系数或压力系数来计算风扇数ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  根据已知的密度、速度模型,粉丝数量的粗略的估计(圆度,使用软件绘图函数,可以表达维度风机的性能曲线,同时校准点的粉丝,也可以有一个维性能列表,校准点的位置。进一步根据实际工况和性能发现风扇的内在力量ã€?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">æ›(xuan)´å¤š</span><a href="/" style="font-size: 16px;">鼓风æœ?/a><span style="font-size: 16px;">产品知识请访问:</span><a href="/" style="font-size: 16px;">2marines.com</a><span style="font-size: 16px;">   é˜¿é‡Œå·´å·´æ—ºé“ºï¼?/span><span style="font-size: 16px;"> æ‰‹æœºï¼?5539485098  15539456606  ç”µè¯ï¼?394-8520911   8204228   è”系人:刘经ç?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <span style="font-size: 16px;">相关阅读ï¼?/span></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <a href="/html/fjzs_1606_2906.html" style="font-size: 16px;">工业离心风机的传动方式有哪些ï¼?/a></p> <p style="text-indent: 2em; margin-bottom: 5px;"> <a href="/html/fjzx_1607_2905.html" style="font-size: 16px;">使用什么方法可以达到离心风机的稳定æ€?/a></p> <p>  </p> <section class="text-xmyeditor"> <p>  </p> </section></div> </div><img src="/images/fjwxh.jpg" style=" max-width: 100%;"> <div id="r6s0f5d39n" class="dis_prevnext clearfix"> <p class="left">上一篇:<a ><a href="/html/fjzs_1606_2913.html" title="如何配置离心风机调节é—?>如何配置离心风机调节é—?/a></a> </p> <p class="right">下一篇:<a><a href="/html/fjzs_1606_2911.html" title="怎么对离心风机进行消声处ç?>怎么对离心风机进行消声处ç?/a></a> </p> </div> <p class="dis_block_title">您可能还需要了è§?/p> <div id="r6s0f5d39n" class="list_liaojie clearfix"> <ul> <li><a href="/html/lcgfj_1617_2621.html" target="_blank"><img src="/UploadFiles/2014-08/0/2014080918333934844.jpg" alt="L系列罗茨鼓风æœ?></a></br><p>L系列罗茨鼓风æœ?/p></li> <li><a href="/html/gygfj_1610_2511.html" target="_blank"><img src="/UploadFiles/2014-07/0/2014071615440210496.jpg" alt="9-19型高压离心鼓风机"></a></br><p>9-19型高压离å¿(jian)ƒé¼“风机</p></li> <li><a href="/html/gygfj_1610_2503.html" target="_blank"><img src="/UploadFiles/2014-07/0/2014071610345078347.jpg" alt="9-12型高压离心鼓风机"></a></br><p>9-12型高压ç(xu)¦»å¿ƒé¼“风æ(zhi)œº</p></li> <li><a href="/html/zlfj_1616_2616.html" target="_blank"><img src="/UploadFiles/2014-08/0/201408091708342770.jpg" alt="2K60矿井轴流通风æœ?></a></br><p>2K60矿井轴流通风æœ?/p></li> </ul> </div> <p class="dis_block_title">最新文ç«?/p> <ul class="list_xiangguan clearfix"> <li><a href="/html/fjzx_1607_2798.html">周口风机关于极限化违禁词的声æ˜?/a><span>2019-12-25</span></li> <li><a href="/html/fjzs_1606_2913.html">如何配置离心风机调节é—?/a><span>2020-11-09</span></li> <li><a href="/html/fjzs_1606_2912.html">选择离心式风机有哪些要点</a><span>2020-10-28</span></li> <li><a href="/html/fjzs_1606_2911.html">怎么对离心风机进行消声处ç?/a><span>2020-10-21</span></li> <li><a href="/html/fjzs_1606_2910.html">高温离心鼓风机转速不均的原因</a><span>2020-10-19</span></li> <li><a href="/html/fjzx_1607_2909.html">亚马逊家得宝出售的鼓风机因火ç?/a><span>2020-09-17</span></li> <li><a href="/html/fjzs_1606_2908.html">离心风机振动过大的危害及减振æŽ?/a><span>2020-09-15</span></li> <li><a href="/html/fjzs_1606_2907.html">离心风机调节方法</a><span>2020-09-11</span></li> <li><a href="/html/fjzs_1606_2906.html">工业离心风机的传动方式有哪些ï¼?/a><span>2020-09-10</span></li> <li><a href="/html/fjzx_1607_2905.html">使用什么方法可以达到离心风机的</a><span>2020-09-09</span></li> </ul> </div> </div> <div id="footer"> <div id="r6s0f5d39n" class="warp"> <p>周口(yi)市通ç(yang)”¨é¼(fei)“风æœ(lian)ºæœ‰é™å(su)…¬å(hong)?联系电话(jin)ï¼(ben)?5539485098 15539456606</p> <h2 style="text-align: center; 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