冷凍水系統(tǒng)培訓(xùn)資料

1、AT&S F01 CHWPage 1 of 29AT&S C020391-F01AT&S C020391-F01Training for the Client on M+W ZanderTraining for the Client on M+W Zander 對(duì)對(duì)業(yè)主的系統(tǒng)培訓(xùn)業(yè)主的系統(tǒng)培訓(xùn)Chilled WaterChilled Water System System 冷凍水系統(tǒng)冷凍水系統(tǒng)AT&SAT&S 奧特斯奧特斯December 2010 2010JackieJackie WanWanAT&S F01 CHWPage 2 of 29AT&S C020391-F01AT&S C0203

2、91-F01Content of the TrainingContent of the Training 培訓(xùn)內(nèi)容培訓(xùn)內(nèi)容 n Overview of the system Overview of the system 系統(tǒng)概括系統(tǒng)概括 n General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述 n Technical Specification/Design DataTechnical Specification/Design Data 技術(shù)規(guī)范技術(shù)規(guī)范/ /設(shè)計(jì)數(shù)據(jù)設(shè)計(jì)數(shù)據(jù) n Start-up procedureStar

3、t-up procedure 啟動(dòng)程序啟動(dòng)程序AT&S F01 CHWPage 3 of 29AT&S C020391-F01AT&S C020391-F01Overview of SystemOverview of System 系統(tǒng)概況 Chilled Water System / Chilled Water System / 冷凍水系統(tǒng)冷凍水系統(tǒng)n There are 8 (7 use and 1 standby) Chillers at the boiler room for Plant II to provide chilled water (7C Supply/15C Return

4、) pressurised by chilled water pumps to AC equipment, Process equipment in production building & social building respectively as shown in the schematic drawings.由設(shè)置在鍋爐房的8臺(tái)冷凍機(jī)(七用一備)通過冷水水泵提供冷水(7度供水/15度回水)到相對(duì)應(yīng)的生產(chǎn)廠房、綜合樓內(nèi)的空調(diào)設(shè)備、工藝設(shè)備，如系統(tǒng)圖所示。 Cooling Condenser Water SystemCooling Condenser Water System/冷卻水系

5、統(tǒng)冷卻水系統(tǒng)n There are 11 sets (10 use + 1 standby, and left 1 spare space for future installation) Cooling towers at the roof of boiler room for Plant II to provide condenser water pressurised by condenser water pumps to condenser, PCW system, and CDA compressor respectively as shown in the schematic dr

6、awings.由設(shè)置在鍋爐房屋面的11臺(tái)冷卻塔(其中10臺(tái)運(yùn)行,一臺(tái)備用,另留一臺(tái)的空位作為遠(yuǎn)期預(yù)留)通過冷卻水泵分別向冷凍機(jī)的冷凝器,工藝?yán)鋮s水系統(tǒng),及空氣壓縮設(shè)備提供冷卻水，如系統(tǒng)圖所示。AT&S F01 CHWPage 4 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n There is one chilled water plant, located in boiler room building (C5), serving produ

7、ction building, social building. 一個(gè)獨(dú)立的冷凍站位于鍋爐房?jī)?nèi)(C5)，為主廠房,綜合樓提供冷凍水。n All chillers are designed as low temperature chiller , the low temperature system operates on a 7C /15C basis. 冷凍水系統(tǒng)為低溫冷凍水系統(tǒng),進(jìn)出水溫為7C /15C。n Low temperature chilled water is required for all cleanroom make-up air units, and used for

8、RCU for non-cleanroom area where humidify requirement are more onerous and the RCU for cleanroom area, social building, and process cooling water system, and so on. 在潔凈室新風(fēng)處理系統(tǒng)中均使用低溫冷凍水系統(tǒng)， 低溫冷凍水系統(tǒng)使用在濕度要求較高和中溫冷凍水不能將空氣冷卻至要求露點(diǎn)溫度的生產(chǎn)區(qū)新風(fēng)處理系統(tǒng)。潔凈室新風(fēng)處理系統(tǒng)中的預(yù)冷盤管系統(tǒng)，非潔凈新風(fēng)處理系統(tǒng)，及工藝?yán)鋬鏊到y(tǒng)均需用到低溫冷凍水。AT&S F01 CHWPage 5

9、of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述 Please see the attached schematic drawings and layout drawings #1 請(qǐng)看示意圖及平面圖 #1 AT&S F01 CHWPage 6 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Chi

10、llerChiller 冷凍機(jī)冷凍機(jī)AT&S F01 CHWPage 7 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n ChillerChiller 冷凍機(jī)冷凍機(jī)CHW OutletCHW Outlet冷凍水出水管冷凍水出水管CW OutletCW Outlet冷卻水出水管冷卻水出水管CW InletCW Inlet冷卻水進(jìn)水管冷卻水進(jìn)水管Pressure GaugePressure Gauge壓力表壓力表Thermal MeterTherm

11、al Meter溫度計(jì)溫度計(jì)AT&S F01 CHWPage 8 of 29AT&S C020391-F01AT&S C020391-F01Check ValveCheck Valve止回閥止回閥General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Primary Chilled Water Primary Chilled Water Pump Pump 冷凍水一次泵冷凍水一次泵Y-StrainerY-StrainerY Y型過濾器型過濾器Pressure GaugePressure Gauge壓力表壓力表Butterfl

12、y ValveButterfly Valve碟閥碟閥AT&S F01 CHWPage 9 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Secondly Secondly Chilled Water Chilled Water PumpPump冷凍水二次泵冷凍水二次泵AT&S F01 CHWPage 10 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGenera

13、l System Description 系統(tǒng)描述系統(tǒng)描述n C5-305-CHW-C5-305-CHW-HEX-101 HEX-101 熱交熱交換器換器Pressure GaugePressure Gauge壓力表壓力表Thermal MeterThermal Meter溫度計(jì)溫度計(jì)Y-StrainerY-StrainerY Y型過濾器型過濾器Balancing Balancing ValveValve平衡閥平衡閥AT&S F01 CHWPage 11 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral

14、 System Description 系統(tǒng)描述系統(tǒng)描述n Supply Water Pipe Supply Water Pipe for PCW Heat for PCW Heat ExchangerExchangerPCWPCW熱交換器供水管熱交換器供水管Butterfly Butterfly ValveValve碟閥碟閥Control ValveControl Valve控制閥控制閥AT&S F01 CHWPage 12 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Descri

15、ption 系統(tǒng)描述系統(tǒng)描述Return Water Return Water Distribution PipeDistribution Pipe回水支管回水支管n Chilled Water Chilled Water Header Header 冷凍水分水缸冷凍水分水缸Balancing ValveBalancing Valve平衡閥平衡閥Supply Water Supply Water Distribution Distribution PipePipe供水支管供水支管Butterfly Butterfly ValveValve碟閥碟閥HeaderHeader分水缸分水缸AT&S F

16、01 CHWPage 13 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Mixed Water Mixed Water Pump Pump 混水泵混水泵DCC Water ReturnDCC Water Return干冷盤管回水干冷盤管回水DCC Water SupplyDCC Water Supply干冷盤管供水干冷盤管供水AT&S F01 CHWPage 14 of 29AT&S C020391-F01AT&S C020391-F01G

17、eneral System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n The primary and secondary pumps are de-coupled to ensure that the direct drive pumps and variable speed pumps can be operated independently and with dynamic stability. The primary pumps are matched to the chillers, the chillers are enable

18、d to ensure that the cooling capacity of all users can be attained at all times. To ensure that this is always achieved two measurements are taken on the primary and secondary side of the chilled water system, namely the supply and the return water temperatures. The number of chillers shall be start

19、ed as a result of this calculation. Chillers do not operate at their maximum COP at full load, the actual maximum COP of the selected chillers is vendor reliant. The distribution of COPs across the full operating range of the selected chiller shall determine the point at which the BMS initiates a si

20、gnal to enable the next chiller. This control method could be done by a dedicated chiller control system as supplied by individual chiller manufacturer. 一次泵和二次泵分別連接，以確保直接驅(qū)動(dòng)泵和調(diào)速泵能夠在動(dòng)態(tài)穩(wěn)定的工況下獨(dú)立工作。一次泵容量與冷凍機(jī)相匹配，冷凍機(jī)確保各使用點(diǎn)在任何情況下能滿足其需求。因此可以保證任何情況下一次泵和二次泵側(cè)即供回水溫度達(dá)到要求。冷凍機(jī)啟動(dòng)數(shù)量將根據(jù)水力計(jì)算來定。在滿負(fù)荷時(shí)冷凍機(jī)不能達(dá)到最大能效比。最大能效比點(diǎn)應(yīng)

21、由供應(yīng)商提供。由能效比確認(rèn)在需要范圍內(nèi)開啟的冷凍機(jī)數(shù)量，樓宇監(jiān)控系統(tǒng)將發(fā)送信號(hào)給需要開啟的冷凍機(jī)。由冷凍機(jī)廠家提供的專門控制系統(tǒng)。AT&S F01 CHWPage 15 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n One dosing pump for CHW system enables the injection of chemicals for CHW water treatment. Expansion vessels shall

22、be installed to absorb the expansion and contraction of the water due to temperature fluctuation and to stabilise the system pressure. 用一個(gè)定量泵確保將化學(xué)品送至冷凍水系統(tǒng)進(jìn)行水處理。閉式膨脹水箱用于吸收由于水溫變化引起的熱脹冷縮想象，可保持系統(tǒng)壓力穩(wěn)定。n The system has one standby chiller with associated pumps. 系統(tǒng)中有一臺(tái)冷凍機(jī)和與其相對(duì)應(yīng)的泵作為備用。AT&S F01 CHWPage 16 of

23、 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Chemical Chemical Treatmentment Treatmentment EquipmentEquipmentn 化學(xué)加藥設(shè)備化學(xué)加藥設(shè)備AT&S F01 CHWPage 17 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Expa

24、nsion Vessel Expansion Vessel for CHW for CHW 冷凍水膨脹水箱冷凍水膨脹水箱AT&S F01 CHWPage 18 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Condenser water System is installed at roof of boiler room building. All cooling towers are supported on an elevated con

25、crete support structure. Condenser water pumps are located in the respective chiller plant room. The use of cross flow towers is proposed. 獨(dú)立的冷卻水系統(tǒng)安裝在鍋爐房的屋面。所有的冷卻塔在屋面上都有混凝土基礎(chǔ)。冷卻水泵都放置于相應(yīng)的冷凍機(jī)房?jī)?nèi)。采用橫流式冷卻塔。 The Condenser Water system is based on the temperature difference of entering and leaving water te

26、mperature of 5C. Cooling Water, under design conditions at 32C/37C in an open loop system. 根據(jù)項(xiàng)目需求提供的參數(shù)，在供回水溫度32C/37C 的狀況下，冷卻水系統(tǒng)設(shè)計(jì)的進(jìn)出水溫差為5C。n The wet bulb temperature used for design is 28.2C, (in winter used for 5C). 濕球溫度是根據(jù)該項(xiàng)目提供的參數(shù)，為28.2C。(冬季取5C).AT&S F01 CHWPage 19 of 29AT&S C020391-F01AT&S C02039

27、1-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Cooling TowerCooling Tower 舊冷卻水塔舊冷卻水塔(OLD)(OLD)CW ReturnCW Return冷卻水回水冷卻水回水CW SupplyCW Supply冷卻水供水冷卻水供水AT&S F01 CHWPage 20 of 29AT&S C020391-F01AT&S C020391-F01n Cooling TowerCooling Tower 新冷卻水塔新冷卻水塔(NEW)(NEW)AT&S F01 CHWPage 21 of

28、29AT&S C020391-F01AT&S C020391-F01General System Description 系統(tǒng)描述系統(tǒng)描述n All condenser water pumps operate at constant flow and the system is to be provided with 10+1 redundancy. 冷卻水泵均采用定流量泵，并采用10+1的方式為系統(tǒng)提供冗余量。n The condenser water flow rate for each cooling tower has been selected for 600 m3/h. The s

29、easons in China make it necessary to control the water outlet temperature of the condenser water. All cooling tower fans shall be two speeds controlled. This is the economical way of controlling multiple equipment systems. 每臺(tái)冷卻塔的流量為600 m3/h。每個(gè)冷卻塔均可獨(dú)立運(yùn)行且由二個(gè)單元組成，每個(gè)單元都有各自獨(dú)立的風(fēng)扇。冷卻塔的風(fēng)機(jī)采用雙速風(fēng)機(jī)，以便在中國不同的季節(jié)控制

30、出水溫度。這是一個(gè)相對(duì)經(jīng)濟(jì)的節(jié)能方案。AT&S F01 CHWPage 22 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n CW Pump CW Pump 冷卻水泵冷卻水泵AT&S F01 CHWPage 23 of 29AT&S C020391-F01AT&S C020391-F01General System DescriptionGeneral System Description 系統(tǒng)描述系統(tǒng)描述n Cooling Water Coo

31、ling Water Bypass PipeBypass Pipe冷卻水供回水旁冷卻水供回水旁通管通管Butterfly Butterfly ValveValve碟閥碟閥Control ValveControl Valve控制閥控制閥AT&S F01 CHWPage 24 of 29AT&S C020391-F01AT&S C020391-F01General System Description 系統(tǒng)描述系統(tǒng)描述n In each water basin install a heat coil to prevent water freezing during winter time. 在每個(gè)

32、冷卻塔的水盆中均設(shè)置加熱盤管以防止冬季氣溫較低時(shí)結(jié)冰。n The condenser water supply temperature shall define the control of the system. 冷卻水控制系統(tǒng)將根據(jù)送水溫度來控制冷卻塔運(yùn)行的臺(tái)數(shù)。n One set chemical treatment equipment is installed for condenser water system. 一套化學(xué)水處理設(shè)備安裝用于冷卻水系統(tǒng)。AT&S F01 CHWPage 25 of 29AT&S C020391-F01AT&S C020391-F01Start-up P

33、rocedureStart-up Procedure 啟動(dòng)程序啟動(dòng)程序n Open all the auto vent valves on the system 系統(tǒng)管路自動(dòng)排氣閥開啟n Make sure the chilled and cooling water systems are filled with water. 確認(rèn)冷凍水系統(tǒng)及冷卻水系統(tǒng)為滿水狀況n Make sure the valves installed at the inlet and outlet of the cooling tower/chiller are open 冷卻水塔 / 冷凍水主機(jī)進(jìn)出口端閥門開啟n

34、Make sure the valves installed at the inlet and outlet of the chilled water/cooling water pumps are open 冷凍水水泵 / 冷卻水泵 進(jìn)口端閥門開啟n Turn on the power and start up the fan of the cooling tower with local manual button 投入電源以手動(dòng)啟動(dòng)冷卻塔散熱風(fēng)扇n Turn on the power and start up the cooling water pump by local manual button, o