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16px;">选择¼›Õd¿ƒå¼é£Žæœºæœ‰å“ªäº›è¦ç‚¹?选择订购¼›Õd¿ƒå¼é£Žæœºï¼Œæ˜¯è¦æ‰‘Ö¯¹åŽ‚家åQŒè€Œåœ¨˜q™ç¦»å¿ƒå¼é£Žæœºä¸Šï¼Œ˜q™å¤§å®¶ä¹Ÿæ˜¯å¯¹˜q™é«˜åŽ‹ç¦»å¿ƒé£ŽæœÞZ¹Ÿä¸æ˜¯å¾ˆæ¸…楚,在这¼›Õd¿ƒå¼é£ŽæœÞZ¸ŠåQŒåœ¨˜q™é€‰åž‹ä¸Šä¹Ÿæ˜¯å¾ˆé‡è¦åQŒå› ä¸ºåœ¨˜q™ç¦»å¿ƒå¼é£Žæœºé€‰æ‹©ä¸Šæ˜¯å¦æ˜¯æ­£ç¡®åQŒæ˜¯ä¼šåª„响到生äñ”的运转,而在˜q™é£ŽæœÞZ¸Šåˆ°åº•ç”¨çš„怎么æ ?</span></p> <div style="text-align: center;"> <img alt="¼›Õd¿ƒé£Žæœº" src="/UploadFiles/2021-10/2/2021102811141957043.jpg" style="border-width: 0px; 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¼›Õd¿ƒå¼é£Žæœºé€‰æ‹©ä¸Šï¼Œ˜q™è¦¼‹®å®šçš„是选择高压åQŒè¿˜æ˜¯é«˜æ¸©ï¼Œ˜q˜æ˜¯ä¸­åŽ‹åQŒæˆ–者是其他普通的¾cÕdž‹é£ŽæœºåQŒè€Œé€‰æ‹©é«˜åŽ‹é£Žæœºä¸Šï¼Œè¦ç¡®å®šæ°”体的密度åQŒæµé‡ï¼ŒåŽ‹åŠ›åQŒè¿™æ˜¯ç¦»å¿ƒé£Žæœºé€‰æ‹©çš„三个元素的˜q‡ç¨‹ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  密度åQšå¦‚果不¾l™å®šå¯†åº¦åQŒåˆ™éœ€è¦æ ¹æ®é£Žæœºçš„工作环境åQŒå¦‚高度、局部大气压、工作温度、气体密度等åQŒè®¡½Ž—或转换˜qè¡Œæ°”体的密度ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  压力åQšæ ¹æ®ç»™å®šçš„或计½Ž—出的工作条件密度,ž®†å·¥ä½œæ¡ä»¶åŽ‹åŠ›è{换成风扇的标准状态压力。如果风扇被送入½Iºæ°”½Ž±æˆ–消声器,则应考虑压力损失。损失可以计½Ž—或估算。估计损å¤×ƒ¸€èˆ¬åœ¨100-300帕之间ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  ‹¹é‡åQšå¦‚果系¾lŸéœ€è¦æ°”体的质量‹¹é‡åQŒå°±éœ€è¦å°†æ°”体的质量流量è{换äؓ风扇标准状态下的体¿U¯æµé‡ã€‚如果系¾lŸéœ€è¦æ°”体的体积‹¹é‡åQŒåˆ™é£Žæ‰‡æ ‡å‡†çŠ¶æ€ä¸‹çš„体¿U¯æµé‡ä¸Žå·¥ä½œæ¡äšg下的体积‹¹é‡ç›¸åŒã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  其次是计½Ž—风机的比旋转数åQŒå› ä¸ºæ¯”转速的计算是离心风机选型˜q‡ç¨‹ä¸­çš„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è{速的计算公式åQŒå¯ä»¥æ ¹æ®ä¸åŒçš„转速获得不同的比è{速。一阶比旋è{数是单吸风机的基¼‹€åQŒäºŒé˜¶æ¯”æ—‹è{数是双吸风机的基¼‹€ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  高压¼›Õd¿ƒé£Žæœºæ¨¡åž‹å†›_®šäº†å…¶æ€§èƒ½æ›²çº¿ã€‚将性能曲线分äؓ¾l´æ•°æ›²çº¿å’Œæ— é‡çº²æ›²çº¿ã€‚无量纲曲线是决定是否满­‘›_œºæ™¯è¦æ±‚的基础åQŒæ— é‡çº²æ›²çº¿æ˜¯æ˜q°é£Žæœºç‰¹æ€§çš„基础åQŒç»´æ•îC»£è¡¨ç‰¹ŒDŠæ€§ï¼Œæ— é‡¾U²ç»´ä»£è¡¨æ™®é€‚性。常用的无量¾U²å‚数有‹¹é‡¾pÀL•°ã€åŽ‹åŠ›ç³»æ•°ã€å†…部效率和比旋转数。流量系数和压力¾pÀL•°çš„媄响因素之一可以作äؓ计算风机数量的依据,比è{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;">  æ ÒŽ®é£Žæ‰‡çš„特定è{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åQŒæ ¹æ®ç›¸åº”çš„‹¹é‡¾pÀL•°æˆ–压力系数来计算风扇数ã€?/span></p> <p style="margin-bottom: 5px;"> <span style="font-size: 16px;">  æ ÒŽ®å·²çŸ¥çš„密度、速度模型,¾_‰ä¸æ•°é‡çš„粗略的估计(圆度,使用软äšg¾l˜å›¾å‡½æ•°,可以表达¾l´åº¦é£Žæœºçš„性能曲线,同时校准点的¾_‰ä¸,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;">更多</span><a href="/" style="font-size: 16px;">鼓风æœ?/a><span style="font-size: 16px;">产品知识误‚®¿é—®ï¼š</span><a href="/" style="font-size: 16px;">www.bm9506.com</a><span 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