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銆�銆�1)鑷惛娉垫祦閲忚垏鎻�(y谩ng)绋�
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ZXPB涓嶉姽閶奸槻鐖嗚嚜鍚搁洟蹇冩车
銆�銆�2)鑷惛娉佃桓鍔熺巼鑸囨晥鐜�
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銆�銆�娉电殑鏁堢巼鑸囨车鏈韩鐨勮ō(sh猫)瑷�(j矛)姘村钩銆佹(j墨)姊板姞宸ユ按骞崇瓑鏈夐棞(gu膩n)锛屾晥鐜囩殑楂樹綆鐩存帴褰遍熆鑳借�楋紝鍚屾檪(sh铆)娉垫湁鍚勮嚜鐨勯珮鏁堢巼鍗�(q奴)闁�锛岄伕鍨嬫檪(sh铆)闇�瑕佽惤鍦ㄩ�欏��(g猫)鍗�(q奴)闁擄紝浠ラ檷浣庤兘鑰�銆�
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銆�銆�4)鑷惛娉垫苯铦曡垏姹借潟浣欓噺
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銆�銆�姹借潟浣欓噺鎸囨车鍏ュ彛铏曟恫楂旀墍鍏锋湁鐨勭附姘撮牠鑸囨恫楂旀苯鍖栨檪(sh铆)鐨勫鍔涢牠涔嬪樊锛屽柈浣嶇敤绫�(姘存煴)妯�(bi膩o)娉�锛岀敤NPSH(Net Positive Suction Head)琛ㄧず銆傚湪钁夌墖娉电殑鎬ц兘鍙冩暩(sh霉)涓�锛屽粻J涓�鑸渻(hu矛)鎻愪緵鍏佽ū姹借潟浣欓噺渚涜ō(sh猫)瑷�(j矛)浜哄摗鍦ㄩ伕鍨嬭ō(sh猫)瑷�(j矛)鏅�(sh铆)浣跨敤锛屾苯铦曚綑閲忕殑鍙冩暩(sh霉)瑾槑濡備笅锛�
銆�銆�NPSHc—鑷ㄧ晫姹借潟浣欓噺锛岀敱姹借潟瑭﹂(y脿n)姹傚緱;
銆�銆�[NPSH]—鍏佽ū姹借潟浣欓噺锛屾槸淇濊瓑娉典笉鐧�(f膩)鐢熸苯铦曠殑姹借潟浣欓噺锛岄�氬父鍙朳NPSH]=(1.1~1.5)NPSHc鎴朳NPSH]=NPSHc+K(涓�鑸彇K=0.3)銆�
銆�銆�姹借潟浣欓噺涓昏褰遍熆瀹夎姊濅欢锛屽厑瑷辨苯铦曚綑閲忚秺灏�锛屾剰鍛宠憲鍙壙鎿�(d膩n)鐨勬车鍓嶈矤(f霉)澹撹秺澶э紝姘存车鐨勬�ц兘瓒婂ソ銆�
銆�銆�涓嬮潰鎴戝�戝啀渚嗘牴鎿�(j霉)瀵�(sh铆)闅涘鎴舵渚嬩締鑸夊咕鍊�(g猫)渚嬪瓙锛�
銆�銆�DY銆佹彋(y谩ng)绋�
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銆�銆�绗簩銆佹祦閲�
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銆�銆�绗笁銆侀亷娴佺洿寰�
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銆�銆�b.鏍℃牳娉电殑鏉愯唱(zh矛)銆佸瘑灏佺瓑鏄惁鑳芥豢瓒宠几閫佷粙璩�(zh矛)瑕佹眰銆�
銆�銆�c.鏍℃牳瀹夎妾慨姊濅欢鏄惁婊胯冻鍠珨瑷�(sh猫)瑷�(j矛)鐨勮姹�銆� |
