工藝?yán)鋮s系統(tǒng)控制說明

系統(tǒng)控制說明：Systemcontrolinstruction聯(lián)動起動順序Theorderofstart夏季：Summer冷凍水泵——制冷機(jī)組——工藝?yán)鋮s水泵——工藝設(shè)備Chilledwaterpump--chiller--processcoolingwaterpump--processequipment冬季：Winter冷卻水泵——冷卻塔——工藝?yán)鋮s水泵——工藝設(shè)備Chilledwaterpump--chiller--processcoolingwaterpump--processequipment聯(lián)動停止順序Theorderofclose夏季：Summer工藝設(shè)備——制冷機(jī)——工藝?yán)鋮s水泵——冷凍水泵processequipment--chiller--processcoolingwaterpump--chilledwaterpump冬季：Winter工藝設(shè)備——工藝?yán)鋮s水泵——冷卻塔——冷卻水泵processequipment--processcoolingwaterpump--coolingtower--coolingwaterpump工藝?yán)鋮s水板式換熱器電動閥門控制Processcoolingwaterheatexchanger'selectricvalvecontrol每個板式換熱器冷源端均設(shè)置電動二通調(diào)節(jié)閥門，并在工藝?yán)鋮s水出水端設(shè)置溫度傳感器，通過溫度傳感器控制電動二通閥開度，確保出口溫度在設(shè)定的范圍內(nèi)。當(dāng)溫度小于設(shè)定值時，逐漸關(guān)閉電動二通閥；當(dāng)溫度大于設(shè)定值時，逐漸開啟電動二通閥，溫度設(shè)定值為26+-l°C。Eachheatexchangercoldsourcesidearesetelectricvalve,andsetatemperaturesensorintheprocesscoolingwateroutletside,bythetemperaturesensortocontroltheelectricvalveopeningandclosing,makesuretheoutlettemperatureiswithinthesetrange.whenthetemperatureislowerthanthesetvalue,graduallycloseelectricvalve;whenthetemperatureishigherthanthesetvalue,andgraduallyopentheelectricvalve.thetemperaturesettingis26±lC冷卻塔的溫控電動閥門控制Thecoolingtower'selectricvalvecontrol在冷卻水供水主管上設(shè)置溫度傳感器并在供回水主管之間設(shè)置電動二通調(diào)節(jié)閥門，通過溫度傳感器控制冷卻塔風(fēng)扇啟停和電動二通閥開度。Setthetemperaturesensorinthecoolingwatersupplymainpipeline,andsetelectricvalvebetweencoolingwatersupplyandreturnmainpipeline,bythetemperaturesensorcontrolsthecoolingtowerfanstarandstopandtheelectricvalveopeningorclosing.A、冷卻塔風(fēng)扇控制：當(dāng)水溫度低于12°C，冷卻塔風(fēng)機(jī)自動停止運(yùn)行，當(dāng)水溫高于23°C時，冷卻塔風(fēng)機(jī)按順序自動回復(fù)運(yùn)行。A、Coolingtowerfancontrol:Whenthecoolingwatersupplytemperatureisbelow12C,coolingtowerfanautomaticallystopsrunning,whenthewatertemperatureishigherthan23C,coolingtowerfanautomaticrunning.B、電動二通閥控制：當(dāng)水溫降至10C時，電動二通閥自動緩慢開啟；當(dāng)水溫度達(dá)到20C時，電動二通閥緩慢關(guān)閉。當(dāng)水溫達(dá)到22C時，電動閥完全關(guān)閉。B、Electrictwo-wayvalvecontrol：Whenthetemperaturedroppedto10C,electricvalvesautomaticallyopenslow;whenthewatertemperaturereaches20C,electrictwo-wayvalveslowlyclosed.Whenthewatertemperaturereaches22C,theelectricvalveisfullyclosed.工藝?yán)鋮s水壓力控制Processcoolingwater'spressurecontrol工藝?yán)鋮s水系統(tǒng)為開式系統(tǒng)，在工藝?yán)鋮s水供水主管上設(shè)置壓力傳感器，每臺工藝?yán)鋮s水泵均采用變頻控制，通過壓力傳感器將實際值與設(shè)定值進(jìn)行比較，并自動控制水泵變頻器的頻率，確保水泵出口壓力在設(shè)定的范圍內(nèi)。每臺水泵設(shè)置故障報警，備用水泵自動啟動。在供回水主管之間設(shè)置電動二通調(diào)節(jié)閥和壓差傳感器，通過壓差傳感器將實際值與設(shè)定值進(jìn)行比較，并自動控制電動二通調(diào)節(jié)閥開度，確保工藝?yán)鋮s水供回水主管之間壓差恒定。Processcoolingwatersystemfortheopensystem,setapressuresensorintheprocesscoolingwatermainpipe,eachprocesscoolingwaterpumpsareusedfrequencycontrol,themeasuredvaluestocomparewiththesetvaluebythepressuresensor,andautomaticallycontrolthepumpfrequencyconverterfrequency,makesurethepumpoutletpressurewithinasetrange.Setfailurealarmeachpump,standbypumpstartsautomatically.Setelectrictwo-wayvalveandapressuredifferencesensorbetweenthesupplyandreturnmainpipeline,bytheactualvalueofpressuredifferencesensorwiththesetvalue,andautomaticcontrolofelectrictwo-wayvalveopening,toensurethattheprocessofcoolingwatersupplyandreturnmainpipelinepressuredifferenceconstant.工藝?yán)鋮s水末端差壓控制電動閥控制Theprocesscoolingwaterdifferentialpressurecontrolinuser.工藝?yán)鋮s水系統(tǒng)末端設(shè)置的差壓控制電動二通調(diào)節(jié)閥門，受兩側(cè)壓差控制，壓差值設(shè)定在0.3?0.4Mpa。當(dāng)壓差小于0.3Mpa時候逐漸關(guān)閉電動二通閥門，當(dāng)壓差大于0.4Mpa時候逐漸開啟電動二通閥門。水泵可以實現(xiàn)定期自動循環(huán)切換。Setelectrictwo-wayvalvewhichiscontrolbyprocesscoolingwateruser'sinletandoutletdifferentialpressure,pressuredifferencevalueissetby0.3?0.4Mpa.Whenthepressureislessthan0.3Mpagraduallyclosedtheelectrictwo-wayvalve,whenthepressureisgreaterthan0.4Mpagraduallyopentheelectrictwo-wayvalve.Thepumpscanregularcyclethroughautomatically.冷卻水泵、冷凍水泵控制coolingwaterpumps,chilledwaterpumpcontrol冷卻水泵、冷凍水泵都采用定頻泵，每臺水泵設(shè)置故障報警，備用水泵自動啟動，水泵可以實現(xiàn)定期自動循環(huán)切換。Coolingwaterpumps,chilledwaterpumpsareusedfixed-frequencypump,eachpumpissetfailurealarm,thestandbypumpautomaticallystarts,thepumpscanregularcyclethroughautomatically.制冷機(jī)控制Chillercontrol制冷機(jī)自帶調(diào)節(jié)控制系統(tǒng)，自動根據(jù)使用負(fù)荷調(diào)節(jié)主機(jī)負(fù)載。兩臺制冷機(jī)都設(shè)置故障報警，備用制冷機(jī)自動啟動。使用主機(jī)故障后，備用主機(jī)自動啟動，并發(fā)出信號到控制模塊，自動(或手動)關(guān)閉非主要工藝設(shè)備，以確保主要工藝設(shè)備正常運(yùn)行。Chillerscomeswithadjustablecontrolsystem,toautomaticallyadjusttheloadbasedontheuserload.Twochillersaresetfaultalarm,thestandbychillerstartautomatically.Afterusingthehostfails,thestandbychillerautomaticallystartsandsendssignalstothecontrolmodule,automatic(ormanual)shutdownnon-essentialprocessequipment,inordertoensurethemainprocessequipmentnormaloperation.工藝水箱控制Processwatertankcontrol工藝?yán)鋮s水箱設(shè)計水位顯示和低水位報警，當(dāng)水位深度淺于1.3米時候，需要發(fā)出報警信號，人工檢查故障。工藝水箱設(shè)置溫度傳感器，當(dāng)溫度大于27度時候發(fā)出報警。Processcoolingwatertankdesignandlowlevelalarmleveldisplay,whenthewaterleveldepthshallowerthan1.3m,theneedforanalarmsignal,humaninspectionfailures.Processwatertanksettemperaturesensor,whenthetemperaturehigherthan27degreesalarmsignal.工藝?yán)鋮s水系統(tǒng)使用說明Processcoolingwatersysteminstructionsforuse工藝?yán)鋮s水系統(tǒng)分為兩種運(yùn)行工況：夏季或室外氣溫高于20°C的過渡季節(jié)，使用制冷機(jī)為冷源，通過板式換熱器與工藝?yán)鋮s水換熱，降低工藝?yán)鋮s水溫度；冬季或室外氣溫不大于20C的過渡季節(jié)，使用冷卻塔為冷源，通過板式換熱器與工藝?yán)鋮s水換熱，降低工藝?yán)鋮s水溫度。Processcoolingwatersystemisdividedintotwooperatingconditions:Inthesummerorwhenoutdoortemperatureisabove20Ctransitionalseason,usingthechillerascoldsource,throughaheatexchangerexchangeheatwithprocesscoolingwatertoreduceprocesscoolingwatertemperature;Inthewinterortheoutdoortemperatureisnotgreaterthan20°Ctransitionalseason,theuseofacoolingtowerforthecoldsource,throughaheatexchangerexchangeheatwithprocesscoolingwatertoreduceprocesscoolingwatertemperature,.其他說明Otherindication電動二通閥門均采用24V，且由自控公司配套。主機(jī)需要自帶水流開關(guān)并與其系統(tǒng)連鎖。主機(jī)自帶網(wǎng)關(guān)并能與控制系統(tǒng)通訊。本系統(tǒng)為控制系統(tǒng)自成體系，并可以實現(xiàn)遠(yuǎn)程監(jiān)控(不操作)Electrictwo