開利制冷離心機組系統(tǒng)培訓

1、12014-02-2719XR6 兩級離心式冷水機組 1501-2250 冷噸系統(tǒng)培訓“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” “UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 機組系統(tǒng)機組系統(tǒng)By Xi Dongmin19XR6 兩級離心式冷水機組“

2、UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” “UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組換熱器: 高效換熱管 成本優(yōu)化設計 模塊化設計 2流程 標準和船用水室壓縮機 框架 1501-2250 Tons 二級壓縮 高效動力

3、部件 使用無葉擴壓器獲得更廣泛的運行范圍 中間級經(jīng)濟器 低部分負荷損失 閃發(fā)灌類型(FA/23XRV derived) 浮閥流量控制全封閉電機: 電壓范圍: 2kV-13.8kV 冷水機組控制系統(tǒng)PIC 5 最新軟硬件 用戶圖形界面 可擴展硬件 可調(diào)用戶界面位置傳動系統(tǒng) XR 系列 可變齒輪比“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組機組結構前視圖19XR6 兩級離心式冷水機組后視圖19X

4、R6 兩級離心式冷水機組機組結構19XR6 兩級離心式冷水機組機組結構“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組命名規(guī)則1 to 5 19 XR封閉型二級離心式冷水機組6 & 8 蒸發(fā)器代號（A40A47; A4AA4H; A60A67; A6AA6H; ）9 & 11 冷凝器代號（A40A47; A4AA4H; A60A67; A6AA6H; B40B47; B4AB4H

5、; B60B67; B6AB6H） 12 to 14 壓縮機代號 (6為機架代號, 3 為輪蓋代號, 5為葉輪代號)15 齒輪代號(A, B, C)16 電機代號(N/P/Q/R/S/T) 17 電壓代號(7 = 10kV/3PH/50Hz, 8 = 11kV/3PH/50Hz)18 特殊訂單(- = 標準, S = 特殊訂單)19XR-A4CA4C635BN7-1-56&89&1112-141516171819XR6 兩級離心式冷水機組命名規(guī)則19XR6 AQUAEDGE 封閉型兩級壓縮離心式冷水機組制冷劑：R134a 制冷量：52757913kW 15002250冷噸19X

6、R6 兩級離心式冷水機組樣本型號“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機排氣口壓縮機排氣口經(jīng)濟器到蒸發(fā)器經(jīng)濟器到蒸發(fā)器制冷劑冷卻管路制冷劑冷卻管路經(jīng)濟器氣管經(jīng)濟器氣管制冷劑隔離閥熱氣旁通熱氣旁通19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further

7、Distribution.” 冷凝器制冷劑壓力釋放閥冷凝器制冷劑壓力釋放閥蒸發(fā)器制冷劑壓力釋放閥蒸發(fā)器制冷劑壓力釋放閥19XR6 兩級離心式冷水機組制冷循環(huán)19XR6 兩級離心式冷水機組制冷原理經(jīng)濟器通過提高制冷循環(huán)的效率，能夠將系統(tǒng)效率提升（38）%19XR6 兩級離心式冷水機組0.550.60.650.70.750.80.850.90.950.9750.20.30.40.50.990.10.150.250.350.450.05FH00.10.20.30.40.50.60.70.80.911.11.21.30.20.30.40.50.60.70.80.911.1Based on P eak

8、E ff. P oint of 55 3 50H z G ear AF ram e 0 0 1 1 9 N ov 2 01 2 F ixed S peed P artload efficiency m ap for T ow S tage G ear A優(yōu)化的壓縮機部分負荷圖譜壓縮機運行時保持高效且穩(wěn)定“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組機組循環(huán)圖“UTC Climate, Cont

9、rols & Security Confidential and Proprietary Information Not for Further Distribution.” 換熱器換熱器By Zhang HaitaoXR6換熱器組合“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組L: Launch, Oct 13L: launch, Apr14P: Phased LaunchF: Fu

10、ture“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 冷凝器冷凝器19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 冷凝器換熱管支撐板浮閥室換熱管端板浮閥室孔板制冷劑擋板19XR6 兩級離心式冷水機組“UTC Climate,

11、 Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 冷凝器換熱管支撐板浮閥室換熱管端板浮閥室孔板制冷劑擋板19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 蒸發(fā)器蒸發(fā)器19XR6 兩級離心式冷水機組“UTC Climate, Controls & S

12、ecurity Confidential and Proprietary Information Not for Further Distribution.” 蒸發(fā)器換熱器支撐板分配器換熱器端板19XR6 兩級離心式冷水機組冷凝器換熱管有1.0” or 0.750” OD可選蒸發(fā)器換熱管有1.0” or 0.750” OD可選高效換熱器銅管“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組二流程一

13、或三流程流程數(shù)“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” *目前不可用*19XR6 兩級離心式冷水機組船用水室設計壓力150 or 300psi帶接管的封頭水室設計壓力150 or 300psi水室端蓋類型“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.”

14、 19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 經(jīng)濟器和浮球閥經(jīng)濟器和浮球閥By Jenny Si“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 經(jīng)濟器：經(jīng)濟器：冷凝器內(nèi)飽和液體一次節(jié)流后進入經(jīng)濟器；經(jīng)濟器內(nèi)閃蒸的氣體進入壓

15、縮機二級吸氣；經(jīng)濟器內(nèi)液體二次節(jié)流后進入蒸發(fā)器。19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 高側浮球閥室組件高側浮球閥室組件帶低側浮球閥組件的經(jīng)濟器帶低側浮球閥組件的經(jīng)濟器經(jīng)濟器經(jīng)濟器&高側浮閥室組件：高側浮閥室組件：由兩個獨立的腔室組成，每個腔室中有一個浮球閥組件。高側浮閥室通過焊接與冷凝器連接，經(jīng)濟器通過螺栓與換熱器連接。19XR6 兩級離心式冷水機組“UTC Climate,

16、Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 從Flasc過來的液態(tài)制冷劑節(jié)流后的氣液兩相制冷劑到下游經(jīng)濟器19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 冷凝器側浮閥室（高側）冷凝器側浮閥室（高側）浮閥組件濾網(wǎng)分隔板19XR6 兩級離心式冷水機組“U

17、TC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 制冷劑蒸汽進入二級葉輪吸氣口節(jié)流后制冷劑進入蒸發(fā)器從高側浮閥室過來的兩相制冷劑經(jīng)濟器 （低側）19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 經(jīng)濟器經(jīng)濟器 （低側）（低側）19XR6

18、 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低側浮閥室低側浮閥室/經(jīng)濟器經(jīng)濟器浮閥組件多孔板19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 兩個浮閥組件用于調(diào)節(jié)高側浮閥室/冷凝器和低側浮閥室/經(jīng)濟器中的

19、制冷劑流量。冷凝器浮球閥經(jīng)濟器浮球閥 VALVEMAX. OPENMAX. OPENCODE AREA (IN2) AREA (IN2) 6C5.19 0.70 6D6.16 0.79 6E7.36 0.91 6F8.82 1.05 HS FLOAT VALVE ASSEMBLY VALVEMAX. OPENMIN. OPENCODE AREA (IN2) AREA (IN2) 6S11.86 1.20 6R9.92 1.06 6Q8.32 0.95 6P7.03 0.85 LS FLOAT VALVE ASSEMBLY19XR6 兩級離心式冷水機組“UTC Climate, Controls

20、 & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機（外部）壓縮機（外部）By Shu Biao“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組平衡管平衡管導葉執(zhí)行導葉執(zhí)行機構機構引射器引射器電電機機冷冷卻卻管管吸氣室吸氣室機體機體電機電機“UTC Climate,

21、Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組供油管路供油管路回油管回油管油箱視鏡油箱視鏡“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電機冷卻電機冷卻19XR6 兩級離心式冷水機組“UTC Climate, Controls & Secur

22、ity Confidential and Proprietary Information Not for Further Distribution.” 油潤滑及回油系統(tǒng)油潤滑及回油系統(tǒng)Low Load Oil Return低負荷回油低負荷回油Oil Return from SH to Oil Sump油從吸氣室回到油箱油從吸氣室回到油箱Oil Supply Pressure = 25-35psi diff供油壓力差供油壓力差=25到到35psiOil Temperature= 135-145 deg F油溫油溫=135-145華氏度華氏度19XR6 兩級離心式冷水機組“UTC Climate,

23、 Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 油回路油回路Oil Pump is 1490 watts or approximately 1.25hP with a gerotor design pump and a semi hermetic motor油泵功率油泵功率1490瓦（約瓦（約1.25馬馬力），力），Gerotor設計，半開式電設計，半開式電機。機。Oil Filtering is accomplished with two para

24、llel filters油過濾器由兩路并行管路構成油過濾器由兩路并行管路構成Oil is heated with an immersion heater located in the oil sump潤滑油由油箱里的浸沒式電加潤滑油由油箱里的浸沒式電加熱器加熱。熱器加熱。19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 供油管供油管Oil Supply to the Transmission傳動箱

25、供油Oil Supply to the rear low speed bearing電機后端低速軸承供油19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 油冷卻系統(tǒng)油冷卻系統(tǒng)2 Parallel TXVs兩路并行熱力膨脹閥Brazed Plate Refrigerant Cooled HX焊接板式制冷劑冷卻器19XR6 兩級離心式冷水機組“UTC Climate, Controls & S

26、ecurity Confidential and Proprietary Information Not for Further Distribution.” 加油閥加油閥Normal Oil Level正常油位位置正常油位位置19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 回油管回油管The copper line identified in this photograph is to dra

27、in the oil from the rear bearing back to the oil sump圖中所指銅管是從電機后蓋回到油圖中所指銅管是從電機后蓋回到油箱的油管路箱的油管路制冷劑冷卻管路制冷劑冷卻管路The motor end cover cooling supply line is one of ten refrigerant feeds into this motor design針對此電機設計，端蓋后端設計了針對此電機設計，端蓋后端設計了制冷劑冷卻供液管路，這是制冷劑冷卻供液管路，這是10條冷條冷卻供液噴嘴中的一路卻供液噴嘴中的一路19XR6 兩級離心式冷水機組“UTC C

28、limate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 回油管回油管The copper line identified in this photograph is to drain the oil from the rear bearing back to the oil sump從電機端蓋后端回油道油箱的從電機端蓋后端回油道油箱的銅管路銅管路19XR6 兩級離心式冷水機組“UTC Climate, Controls & Securi

29、ty Confidential and Proprietary Information Not for Further Distribution.” 齒輪油泵齒輪油泵19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 油箱平衡管油箱平衡管Left Vent Line- vents the oil sump to the suction housing. 左側管路左側管路 - 連通油箱和吸氣室連通油箱

30、和吸氣室Right Vent Line- vents the balancing piston labyrinth to the suction housing右側管路右側管路 - 連通第二級葉輪后連通第二級葉輪后端平衡塞和吸氣室端平衡塞和吸氣室19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機排氣管路壓縮機排氣管路卡箍連接卡箍連接19XR6 兩級離心式冷水機組“UTC Climate, C

31、ontrols & Security Confidential and Proprietary Information Not for Further Distribution.” 引射器引射器The (2) parallel eductors used to extract liquid from the evaporator and discharge into the suction housing兩路并行引射器用來抽吸兩路并行引射器用來抽吸來自蒸發(fā)器的油，并輸送來自蒸發(fā)器的油，并輸送到吸氣室到吸氣室The (1) eductor used to extract oil from

32、 the suction housing and discharge into the oil sump另一路引射器用來把吸氣另一路引射器用來把吸氣室的油引射到油箱室的油引射到油箱19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 油回路視鏡油回路視鏡Fluid recovery line from the evaporator to suction housing蒸發(fā)器到吸氣室的回油管蒸發(fā)器到吸氣

33、室的回油管路路Oil recovery line from suction housing to oil sump吸氣室到油箱回油管路吸氣室到油箱回油管路19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 回油接口回油接口Fluid recovery line from the evaporator to suction housing is from one location on the sid

34、e of the evaporator. The purpose is oil reclaim during low load conditions when the IGVs are less than fully open.蒸發(fā)器側壁上的回油管路，蒸發(fā)器側壁上的回油管路，目的是為了能在小導葉開目的是為了能在小導葉開度低負荷時進行回油度低負荷時進行回油19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution

35、.” 過濾器過濾器The refrigerant supply filter for the motor/oil cooling circuit電機制冷劑冷卻回路過濾電機制冷劑冷卻回路過濾器器The (2) oil filters used for oil filtration兩路并行油過濾器兩路并行油過濾器19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 過濾器過濾器The (1) strain

36、er used in the low load oil recovery line from the evaporator一用于低負荷時從蒸發(fā)器一用于低負荷時從蒸發(fā)器回油的過濾器回油的過濾器The (3) strainers used in the eductor circuit三個用于引射器回路的過三個用于引射器回路的過濾器濾器19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電機轉向電機轉向T

37、he rotor shaft rotation is visible through the sight glass on the motor end cover for confirmation of clockwise rotation as seen through the sight glass. The rotation should be checked during equipment startup電機軸的轉向能夠通過安裝在電機軸的轉向能夠通過安裝在電機端蓋后端的這個視鏡觀察電機端蓋后端的這個視鏡觀察到，用來確認電機按順時針轉到，用來確認電機按順時針轉動。動。電機啟動時必須檢查

38、電機轉向。電機啟動時必須檢查電機轉向。19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機（內(nèi)部）壓縮機（內(nèi)部）By Shu Biao“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組齒輪驅動齒輪

39、驅動滾動軸承滾動軸承鈍頭進口導葉片提鈍頭進口導葉片提高部分負荷性能高部分負荷性能兩級無葉擴壓器提高兩級無葉擴壓器提高運行揚程及穩(wěn)定性運行揚程及穩(wěn)定性低速電機低速電機后側低速軸承后側低速軸承關鍵新技術：關鍵新技術：1) 兩級氣動部件設計: 閉式葉輪和無葉擴壓器；2) 鈍頭導葉片提高部分負荷性能；“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低速和高速軸視圖低速和高速軸視圖19XR6 兩級離心式冷水機組軸承軸承 1#軸承軸承

40、2#軸承軸承 3#軸承軸承 4#電機轉子電機轉子電機端迷宮電機端迷宮電機端蓋電機端蓋一級葉輪一級葉輪二級葉輪二級葉輪大齒輪大齒輪小齒輪小齒輪“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電機端蓋側低速軸承電機端蓋側低速軸承19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for

41、Further Distribution.” 傳動箱內(nèi)低速軸承傳動箱內(nèi)低速軸承There is only one low speed bearing located in the transmission傳動箱里唯一的一個低速軸承傳動箱里唯一的一個低速軸承19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低速軸承有兩個軸向支撐面低速軸承有兩個軸向支撐面19XR6 兩級離心式冷水機組“UTC Cli

42、mate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 集油器環(huán)集油器環(huán)Each of the transmission bearings facing the oil sump use oil catcher rings to reduce the potential for oil striking the gears and creating a dam so it will drain into the lower portion of t

43、he oil sump每個軸承都是利用集油器環(huán)每個軸承都是利用集油器環(huán)來減少潛在的油撞擊和產(chǎn)生來減少潛在的油撞擊和產(chǎn)生油膜以便能把低側的油卷吸油膜以便能把低側的油卷吸到油箱里到油箱里19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary In

44、formation Not for Further Distribution.” Thrust/Counter Thrust and radial bearings軸向推力和徑向推力軸承軸向推力和徑向推力軸承High Speed Gear高速齒輪高速齒輪Inner Race Rear High Speed Bearings高速軸承內(nèi)環(huán)高速軸承內(nèi)環(huán)19XR6 兩級離心式冷水機組REB design high speed assembly which consists of a combination of ball and roller design bearings高速軸組件，由一個球軸承和一

45、個滾珠軸承組成高速軸組件，由一個球軸承和一個滾珠軸承組成“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電機端高速徑向軸承電機端高速徑向軸承軸承保持環(huán)上有油噴射小孔軸承保持環(huán)上有油噴射小孔There are is a rear rolling element high speed bearings installed in the transmission with an oil spray orifice on beari

46、ng retainer ring. 19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機端高速軸軸承壓縮機端高速軸軸承按標記順序安裝這副軸承按標記順序安裝這副軸承The bearings used on the high speed assembly are a combination of axial and radial bearings. These bearings are match

47、ed sets with alignment marks referencing orientation 19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低速齒輪罩低速齒輪罩用于減少齒輪旋轉引起的油飛用于減少齒輪旋轉引起的油飛濺濺The shroud over the low speed gears reduces the windage created by the gear rotation

48、高速油封迷宮高速油封迷宮用電機內(nèi)高壓形成高壓氣封用電機內(nèi)高壓形成高壓氣封The center area of the laby is vented to the motor which is a higher pressure than the area behind the impeller forming a pressure seal19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 高速迷宮

49、高速迷宮平衡塞迷宮平衡塞迷宮19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 平衡塞通氣到一級葉輪進口平衡塞通氣到一級葉輪進口19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低速迷宮低速迷宮(傳動箱

50、傳動箱)19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 低速齒輪低速齒輪The low speed gear is a single helical design that is secured to the shaft using two keys and a retaining plate with a bolt that threads into the end of the shaft

51、單螺旋設計單螺旋設計通過兩個鍵和一個擰緊通過兩個鍵和一個擰緊到軸上的保持板固定到軸上的保持板固定19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 去霧器組件去霧器組件19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distrib

52、ution.” 壓縮機（氣動部件）壓縮機（氣動部件）By Liu xili“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 吸氣室吸氣室Contains the IGV assembly that controls the refrigerant flow into the compressor and collects oil reclaimed from the evaporator內(nèi)含導葉組件，控制進內(nèi)含導葉組件，控制進

53、入壓縮機的流量入壓縮機的流量另起到從蒸發(fā)器回油的另起到從蒸發(fā)器回油的作用作用19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 壓縮機吸氣室組件：吸氣室導葉組件1. 導流罩IGV導葉執(zhí)行機構12319XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for F

54、urther Distribution.” 進口導葉組件進口導葉組件19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 進口導葉組件進口導葉組件19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 二級葉輪

55、及擋圈二級葉輪及擋圈The second stage impeller discharges the refrigerant into the condenser.第二級葉輪最終把制冷劑輸出到第二級葉輪最終把制冷劑輸出到冷凝器里冷凝器里The impeller spacer separates the first and second stage impeller with the final adjustment made with impeller shimming.葉輪擋圈把壓縮機的第一二級葉葉輪擋圈把壓縮機的第一二級葉輪分開。輪分開。19XR6 兩級離心式冷水機組閉式葉輪閉式葉輪“UT

56、C Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 19XR6 兩級離心式冷水機組1st stage impeller Inlet laby第一次葉輪迷宮第一次葉輪迷宮2nd Stage Impeller Inlet laby第二級葉輪迷宮第二級葉輪迷宮“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Furth

57、er Distribution.” 19XR6 兩級離心式冷水機組葉輪迷宮葉輪迷宮“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 隔板和一級葉輪隔板和一級葉輪The first stage impeller discharges refrigerant into the diaphragm where it delivers the vapor into the inlet of the second stage impel

58、ler with the vapor from the economizer第一級葉輪把制冷劑輸?shù)谝患壢~輪把制冷劑輸送到隔板葉片通道，然送到隔板葉片通道，然后隔板再輸送給第二級后隔板再輸送給第二級葉輪，并把來自經(jīng)濟器葉輪，并把來自經(jīng)濟器的氣態(tài)制冷劑一并輸入的氣態(tài)制冷劑一并輸入到第二級入口。到第二級入口。19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 平衡塞平衡塞The balancing pis

59、ton is vented to the suction housing reducing the axial load on the high speed shaft用以連通吸氣室，以減用以連通吸氣室，以減少高速軸的軸向負載少高速軸的軸向負載19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電機定子電機定子Due to the horsepower requirements of this pr

60、oduct, the stator will only be offered in a form wound design for medium or high voltage對中、高級電壓，由于此產(chǎn)對中、高級電壓，由于此產(chǎn)品功率的要求，電機定子只品功率的要求，電機定子只提供此一種缺口設計提供此一種缺口設計Temperature sensors will be installed in each winding每個繞組都安裝有溫度傳感每個繞組都安裝有溫度傳感器器19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential a

61、nd Proprietary Information Not for Further Distribution.” Two Piece Impeller Retaining System兩片式葉輪鎖緊裝置兩片式葉輪鎖緊裝置19XR6 兩級離心式冷水機組“UTC Climate, Controls & Security Confidential and Proprietary Information Not for Further Distribution.” 電氣控制電氣控制By Yan Chaoqun“UTC Climate, Controls & Security Confidential and Proprietary Informa