銆�纾佸姏娉�銆侀洟蹇冩车銆� 鑷惛娉�浣挎敞鎰忎簨闋�(xi脿ng)
銆�銆�瀹夎鍙婃敞鎰忎簨闋�(xi脿ng)锛�
銆�銆�1.鎸夊熀绀�(ch菙)灏哄鍋氬ソ娣峰嚌鍦熷熀绀�(ch菙)锛屽悓鏅�(sh铆)浜堝煁濂藉湴鑵宠灪鏍�銆�
銆�銆�2.鍦ㄥ畨瑁濆墠鎳�(y墨ng)灏�(du矛)娉靛拰闆绘(j墨)閫�(j矛n)琛屾鏌�锛屽悇閮ㄥ垎鎳�(y墨ng)瀹屽ソ鐒℃悕锛屾车鍏�(n猫i)鎳�(y墨ng)鐒￠洔鐗┿��
銆�銆�3.灏囨(j墨)绲勬斁鍦ㄥ熀绀�(ch菙)涓�锛屽湪搴曟澘鍜屽熀绀�(ch菙)涔嬮枔鏀炬垚灏�(du矛)妤斿锛岄�氶亷瑾�(di脿o)鏁存澧�锛屾壘姝ｆ车鐨勬按骞炽�傝(di脿o)濂藉悗锛屾摪绶婂湴鑵宠灪鏍撱��
銆�銆�4.娉电殑鍚稿叆銆佸悙鍑虹璺噳(y墨ng)鏈夋敮鏋�锛屼笉鑳界敤娉典締鏀壙銆傞��(j矛n)鍑哄彛绠¤矾鍙ｅ緫鎳�(y墨ng)鑸囨车閫�(j矛n)鍑哄彛鍙ｅ緫鐩哥当(t菕ng)涓�銆�
銆�銆�5.FZB绯诲垪鑷惛娉靛畨瑁濇檪(sh铆)鎳�(y墨ng)鍏堟帴閫�(j矛n)鍙ｇ锛屽姞婊挎恫楂斿悗鍐嶆帴鍑哄彛绠★紝鏍℃杞�(zhu菐n)鍚�銆傛车鐨勯��(j矛n)鍙ｇ閬撳繀闋堣垏娉靛尮閰�锛屼笖绺介暦涓嶈兘瓒呴亷5绫�锛屽惁鍓囨渻(hu矛)褰遍熆鑷惛鎬ц兘锛岃嚜鍚搁珮搴﹀彲鎸夊彸閭婂叕寮忕啊鍠畻寰楋細娓呮按鏅�(sh铆)鑷惛3m/浠嬭唱(zh矛)瀵嗗害=瀵�(sh铆)闅涜嚜鍚搁珮搴︺��
銆�銆�6.瀹夎瀹岀暍锛屾渶鍚庣敤鎵嬭綁(zhu菐n)鍕�(d貌ng)鑱�(li谩n)杌稿櫒锛屾鏌ユ湁鐒℃摝纰扮従(xi脿n)璞�锛岃綁(zhu菐n)鍕�(d貌ng)杓曟澗鍧囧嫽鍓囧畨瑁濈祼(ji茅)鏉熴��
銆�銆�7.纾佸姏娉靛毚(y谩n)绂佹娊鍙栧付鏈夐绮掑拰鏄撶祼(ji茅)鏅剁殑浠嬭唱(zh矛)锛屼笉鍏佽ū鍦ㄩ棞(gu膩n)闁夋帓鏀惧彛鐨勬儏娉佷笅鑰屼綔閫ｇ簩(x霉)鎬ч亱(y霉n)杞�(zhu菐n)锛岄渶淇濇寔鏈�灏戠殑娴侀噺銆�
銆�銆�8.鐐洪槻姝㈤洔鐗╅��(j矛n)鍏ユ车鍏�(n猫i)锛屽湪閫�(j矛n)鍙ｈ檿鎳�(y墨ng)瑷�(sh猫)閬庢烤鍣紝閬庢烤闈㈢⿳鎳�(y墨ng)澶т簬绠¤矾鎴潰绌嶇殑3锝�4鍊�銆�
銆�銆�9.鎻�(y谩ng)绋嬮珮鐨勬车鍦ㄥ嚭鍙ｇ璺笂閭勬噳(y墨ng)瑭插畨瑁濇鍥為枼锛屼互闃茬獊鐒跺仠姗�(j墨)鐨勬按閷樼牬澹�銆�
銆�銆�10.蹇呴爤淇濊瓑娉电殑瀹夎楂樺害绗﹀悎娉电殑姹借潟浣欓噺锛屽苟鑰冩叜绠¤矾鎼嶅け鍙婁粙璩�(zh矛)婧害銆�
銆�銆�鐐洪伩鍏嶆车楂斿収(n猫i)鐢�(ch菐n)鐢熸苯铦曚綑閲忥紝璜�(q菒ng)蹇呴爤婊胯冻涓嬪紡锛�
銆�銆�NPSHa≥NPSHr+0.5 NPSHa:鍙埄鐢ㄦ苯铦曚綑閲�(m) NPSHr:蹇呴渶姹借潟浣欓噺(m)
銆�銆�NPSHa=106(Pa-Pv) /ρg±hs-hf
銆�銆�Pa: 浣滅敤浜庤几閫佷粙璩�(zh矛)琛ㄩ潰鐨勫鍔�(MPa) Pv: 浠嬭唱(zh矛)鐨勮捀姹藉鍔�(MPa) ρ锛氫粙璩�(zh矛)瀵嗗害(kg/m3) hs锛氬惛鍗囬珮搴�(m) hf锛氬惛鍏ョ闃诲姏(m)
銆�銆�g: 閲嶅姏鍔犻�熷害(m/s)
銆�銆�11.浠嬭唱(zh矛)婧害閬庨珮鏅�(sh铆)鎳�(y墨ng)灏�(du矛)姗�(j墨)灏侀噰鍙栧喎鍗绘帾鏂�锛屼互闃叉(j墨)灏佽畩褰㈤潨鐠�(hu谩n)闁嬭銆�
銆�銆�12.浠嬭唱(zh矛)绮樺害閬庨珮鏅�(sh铆)锛屾车鎬ц兘銆佸姛鐜囧潎鏈�(hu矛)鐧�(f膩)鐢熻畩鍖�锛岃┏绱�(x矛)鎯呮硜璜�(q菒ng)鑸囨垜鍊戣伅(li谩n)绯�銆�
銆�銆�鍟熷嫊(d貌ng)鍜岄亱(y霉n)琛岋細
銆�銆�(1). 闁嬭粖鍓嶆噳(y墨ng)灏囨车鍏�(n猫i)鐏屾豢闋堣几閫佺殑娑查珨(濡傛车鏄湪鍚镐笂鐨勬儏娉�)锛岄棞(gu膩n)闁夊嚭鍙ｉ枠闁�锛屾帴濂介浕婧�銆�
銆�銆�(2). 鎺ラ�氶浕婧愶紝妾㈡煡娉电殑杞�(zhu菐n)鍚戞槸鍚︽纰�銆�
銆�銆�(3). 姗�(j墨)绲勮│閬�(y霉n)杞�(zhu菐n)5锝�10鍒嗛悩锛屽鐒＄暟?锛孎(xi脿n)璞″彲鎶曞叆閬�(y霉n)琛�銆�
銆�銆�(4). 鍋滄(j墨)鏅�(sh铆)锛屾噳(y墨ng)鍏堝皣鍑哄彛鐨勯枠闁ラ棞(gu膩n)闁�锛岀劧鍚庡啀鍒囨柗闆绘簮銆�
銆�銆�缍慨鍜屼繚椁�(y菐ng):
銆�銆�(1).瀹氭湡妾㈡煡娉靛拰闆绘(j墨)锛屾洿鎻涙槗鎼嶉浂浠�銆�
銆�銆�(2).闀锋湡鍋滄(j墨)涓嶇敤鏅�(sh铆)锛屾噳(y墨ng)娓呮礂娉靛収(n猫i)娴侀亾骞跺垏鏂烽浕婧�銆�
銆�銆�(3).鍤�(y谩n)绂佺┖閬�(y霉n)杞�(zhu菐n)銆�
鎰熻瑵瑷晱姘稿槈娉夐仈(d谩)娉甸枼鍒堕�犳湁闄愬叕鍙�锛屾垜鍏徃灏堟キ(y猫)鐢熺敘(ch菐n)閵峰敭鍚勯绠￠亾娉�锛岃嚜鍚告车锛�鎺掓薄娉�绛夋车闁ョ敘(ch菐n)鍝�銆� |
