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恒溫恒濕機(jī)與恒溫恒濕機(jī)組的區(qū)別在哪
恒溫恒濕機(jī)除了調(diào)節(jié)空氣溫度以外,還具有濕度調(diào)節(jié)
Inadditiontoadjustingtheairtemperature,theconstanttemperatureandhumiditymachinealsohasthefunctionsofhumidityadjustmentanddustremoval.Comparedwithordinaryair-conditioners,theconstanttemperatureandhumidityprecisionairconditioningsystemcanrunalltheyearroundwithoutstopping,soitsreliabilityisveryhigh.Therearemanyoptionsfortheairsupplysystemofconstanttemperatureandconstanthumiditymachine.Thecommononesincludethedowndelivery,theupperandthelower,andtheupperside.Thestandardtypeconstanttemperatureandhumiditymachineadoptsmediumefficiencyfiltertocleanindoorair.Accordingtocustomerneeds,subefficientairfilterscanbeselected.
恒溫恒濕機(jī)組特點(diǎn):
Characteristicsofconstanttemperatureandconstanthumidityunit:
1.制冷量一般在10HP-200HP之間
1.thecoolingcapacityisgenerallybetween10HP-200HP;
2.配置了電加熱和電極式加濕,加熱量一般富裕量較大
2.configurationofelectricheatingandelectrodehumidification,theheatingamountisgenerallyrich,airconditionerconfigurationhumidificationissmall,needtoberecalculated,thegeneralneedtoincreaseamodelormulti-configurationone;
3.有額定的風(fēng)量要求;
3.theratedairvolumerequirements;
4.有額定的冷卻水量要求
4.theratedcoolingwaterrequirements;
5.冷凝器的阻力一般在0.82-3.45mH2O
5.theresistanceofthecondenserisgenerallyat0.82-3.45mH2O;
6.空調(diào)機(jī)組尺寸較?div id="jpandex" class="focus-wrap mb20 cf">?div id="jpandex" class="focus-wrap mb20 cf">;
6.thesizeoftheairconditioningunitissmall;
7.溫控范圍:18~25,靈敏度:±1
7.temperaturecontrolrange:18~25,sensitivity:+1;humiditycontrolrange:50~70,sensitivity:+5;
8.機(jī)外靜壓一般在100~550之間
8.machineisgenerallybetween100~550.
9.設(shè)計(jì)條件:進(jìn)風(fēng)干球溫度23℃
9.designconditions:intakeairdrybulbtemperature23C,wetbulbtemperature17centigrade,coolingwaterinlettemperature30C,effluenttemperature35C;
一般適用在有溫濕度控制或整個(gè)設(shè)計(jì)面積不大的情況下。如果該工程面積較大
Generally,itissuitablefortemperatureandhumiditycontrolorthewholedesignareaisnotlarge.Iftheareaislarge,thesystemisdividedmore,thepositionoftheairconditioningmachineroomisrelativelyscattered,themanagementandsystemcontrolwillbeinconvenient,anditisnotconducivetotheunifieddistributionofenergy,andthewasteofenergyismoreserious.Inthiscase,thegeneralareaisgreaterthan2000m2,andthedesignofchiller+combinedairhandlingunitisrecommended.
恒溫恒濕機(jī)組的用途分為兩塊:
Theuseofconstanttemperatureandconstanthumidityunitisdividedintotwopieces.
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1,constanttemperatureandconstanthumidityworkshop,butnopurificationrequirements;
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2,bothconstanttemperatureandhumidityrequirements,andtheneedforpurificationlevelcontrol;
房間的情況:
Thesituationoftheroom:
1.)房間內(nèi)顯熱較大
1.)theheatintheroomislarger.
2.)房間內(nèi)顯熱較?div id="m50uktp" class="box-center"> 。会槍σ陨蟽牲c(diǎn)進(jìn)行分析:
2.)thesensibleheatintheroomissmall;
a.從負(fù)荷方面考慮:
A.considerationoftheload:
系統(tǒng)的送風(fēng)量是與房間內(nèi)的顯熱和送風(fēng)溫差決定的,而不是根據(jù)系統(tǒng)總制冷量(房間的顯熱和潛熱)計(jì)算得出的
Theairvolumeofthesystemisdeterminedbythesensibleheatandairtemperaturedifferenceintheroom,notbythetotalrefrigeratingcapacityofthesystem(thesensibleheatandlatentheatoftheroom).Thecoolingcapacityofconstanttemperatureandhumidityunitis50%,andlatentheatis50%,whichisequivalentto20%ofthefreshairvolume.Whentheheatislargerintheroom,andwhenthenewairvolumeissmall,theamountofairsupplyislarger,anditcannotbedeterminedaccordingtotherefrigeratingcapacityoftheconstanttemperatureandconstanthumidityunit.
b.從機(jī)外余壓考慮:
B.fromexternalpressureconsideration:
恒溫恒濕,但無凈化要求系統(tǒng)對空調(diào)機(jī)組的機(jī)外余壓要求不高
Constanttemperatureandhumidity,butnopurificationrequirementsofthesystemforairconditioningunitsoutsidepressurerequirementsarenothigh,mainlytoovercometheairsupplyandreturnpipes,valves,diffuser,initialfilter,andotherconventionalunitscanmeettherequirements;
既有恒溫恒濕要求
Thesystemnotonlyhastherequirementofconstanttemperatureandhumidity,butalsoneedsthesystemofpurifyinggradecontroltohavehighexternalpressurerequirementforairconditioningunit.Thegeneralsystemresistanceisbetween1100Paand1400Pa,whichmainlyovercomestheairsupplyandreturnpipe,valve,diffuser,initialeffectfilter(initialresistance50Pa,finalresistance100Pa),middleeffectfilter(initialresistance150Pa,final).Resistance300Pa),highefficiencyfilter(initialresistance250Pa,finalresistance500Pa)andsoon,conventionalunitscannotmeettherequirements.Ifthesystemneedstosettworeturnair,thecleantypeconstanttemperatureandconstanthumidityunitcannotbeselected;thefirstreturnaircondition,thedesignformoftheconstanttemperatureandconstanthumidityunit+pressurizationbox,becauseitisdifficulttomatchthefanintheconstanttemperatureandhumidityunitwhenchoosingthetypeofthepressurefan,thedifferenttypeanddifferentpowerfanareinseriesorparallel.Whenthetotalairvolumeisnotsimplyadded,thecalculationisrelativelycomplex.Itissuggestedthatthesinglefansystemshouldbedesignedasfaraspossibleinthegeneraldesignprocess.
系統(tǒng)的運(yùn)作原理
Theoperatingprincipleofthesystem
恒濕恒濕機(jī)系統(tǒng)的運(yùn)作是通過三個(gè)相互聯(lián)系的系統(tǒng):制冷劑循環(huán)系統(tǒng)、空氣循環(huán)系統(tǒng)
Theoperationoftheconstanthumidityandhumiditymachinesystemisbasedonthreeinterrelatedsystems:refrigerantcirculationsystem,aircirculationsystem,andelectricalapplianceautomaticcontrolsystem.
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1,refrigerantcirculationsystem
蒸發(fā)器中的液態(tài)制冷劑吸收空氣的熱量(空氣被降溫及除濕)并開始蒸發(fā)
Theliquidrefrigerantintheevaporatorabsorbstheheatoftheair(theairiscooledanddehumidified)andbeginstoevaporate,eventuallyformingacertaintemperaturedifferencebetweentherefrigerantandtheair,andtheliquidrefrigerantiscompletelyvaporizedintothegaseousstate,thenthecompressorisinhaledandcompressed(pressureandtemperatureincreases),andthegaseousrefrigerantpassesthecondenser(aircooling/water).Cold)absorbsheatandcondensesintoaliquid.Throughtheexpansionvalve(orcapillary)throttling,thecryogeniclowpressurerefrigerantenterstheevaporatortocompletetherefrigerantcirculationprocess.
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2,airloopsystem
風(fēng)機(jī)負(fù)責(zé)將空氣從回風(fēng)口吸入,空氣經(jīng)過蒸發(fā)器(降溫
Thefanisresponsibleforinhalingtheairfromtheairinlet.Theairpassesthroughtheevaporator(cooling,dehumidification),humidifierandelectricheater(ShengWen).Theairissenttotheuser'sspaceaftertheairinlet.Theairsentoutandtheairinthespacewillbemixedbacktotheairvent.
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,電器自控系統(tǒng)3,electricalautomaticcontrolsystem
包括電源部分和自動控制部分
。電源部分通過接觸器,對壓縮機(jī)、風(fēng)扇、電加器器,加濕器等供應(yīng)電源自動控制分部分又分為溫、濕度控制及故障保護(hù)部分:溫、濕度控制是通過溫、濕度控制器,將回風(fēng)的溫濕度與用戶設(shè)定的溫濕作對比,自動運(yùn)行壓縮機(jī)(降溫、除濕),加濕器,電加熱(升溫)等元件,實(shí)現(xiàn)恒溫恒濕的自動控制Itincludesthepowersupplypartandtheautomaticcontrolpart.Throughthecontactor,thepowersupplyisdividedintothetemperature,humiditycontrolandthefaultprotectionpartsofthecompressor,thefan,theadderandthehumidifier.Thetemperatureandhumiditycontrolisthroughthetemperatureandhumiditycontrol,andthetemperatureandhumidityofthereturnairiscomparedwiththetemperatureandhumiditysetbytheuser,andthecompressorisautomaticallyrun.Temperature,dehumidification,humidifier,electricheating(ShengWen)andothercomponentstoachieveautomaticcontrolofconstanttemperatureandhumidity.