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        您的位置:新聞資訊 > 行業(yè)動態(tài) > 恒溫恒濕機與恒溫恒濕機組的區(qū)別在哪?

        恒溫恒濕機與恒溫恒濕機組的區(qū)別在哪?

        作者:CEO 時間:2022-11-18

        信息摘要:恒溫恒濕機除了調(diào)節(jié)空氣溫度以外,還具有濕度調(diào)節(jié)、除塵等功能。與普通空調(diào)相比,恒溫恒濕精密空調(diào)要求能常年不停機地運行,因而其可靠性非常高。恒溫恒濕機的送風系統(tǒng)有多種選擇。常見的有下送上回、上送下回、上送側(cè)回等。

        恒溫恒濕機與恒溫恒濕機組的區(qū)別在哪?

        恒溫恒濕機與恒溫恒濕機組的區(qū)別在哪?

          恒溫恒濕機除了調(diào)節(jié)空氣溫度以外,還具有濕度調(diào)節(jié)、除塵等功能。與普通空調(diào)相比,恒溫恒濕精密空調(diào)要求能常年不停機地運行,因而其可靠性非常高。恒溫恒濕機的送風系統(tǒng)有多種選擇。常見的有下送上回、上送下回、上送側(cè)回等。標準型的恒溫恒濕機采用中效過濾裝置來清潔室內(nèi)空氣。根據(jù)客戶需要,可以選擇亞高效的空氣過濾器。

          Inadditiontoadjustingtheairtemperature,theconstanttemperatureandhumiditymachinealsohasthefunctionsofhumidityadjustmentanddustremoval.Comparedwithordinaryair-conditioners,theconstanttemperatureandhumidityprecisionairconditioningsystemcanrunalltheyearroundwithoutstopping,soitsreliabilityisveryhigh.Therearemanyoptionsfortheairsupplysystemofconstanttemperatureandconstanthumiditymachine.Thecommononesincludethedowndelivery,theupperandthelower,andtheupperside.Thestandardtypeconstanttemperatureandhumiditymachineadoptsmediumefficiencyfiltertocleanindoorair.Accordingtocustomerneeds,subefficientairfilterscanbeselected.

          恒溫恒濕機組特點:

          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,空調(diào)機配置加濕量均偏小,需要重新計算,一般需要加大一個型號或多配置一臺;

          2.configurationofelectricheatingandelectrodehumidification,theheatingamountisgenerallyrich,airconditionerconfigurationhumidificationissmall,needtoberecalculated,thegeneralneedtoincreaseamodelormulti-configurationone;

          3.有額定的風量要求;

          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)機組尺寸較?。?/p>

          6.thesizeoftheairconditioningunitissmall;

          7.溫控范圍:18~25,靈敏度:±1;濕控范圍:50~70,靈敏度:±5;

          7.temperaturecontrolrange:18~25,sensitivity:+1;humiditycontrolrange:50~70,sensitivity:+5;

          8.機外靜壓一般在100~550之間;

          8.machineisgenerallybetween100~550.

          9.設計條件:進風干球溫度23℃,濕球溫度17℃;冷卻水進水溫度30℃,出水溫度35℃;

          9.designconditions:intakeairdrybulbtemperature23C,wetbulbtemperature17centigrade,coolingwaterinlettemperature30C,effluenttemperature35C;

          一般適用在有溫濕度控制或整個設計面積不大的情況下。如果該工程面積較大,系統(tǒng)劃分較多,空調(diào)機房位置相對分散,管理和系統(tǒng)的控制就會帶不便,也不利于能量統(tǒng)一分配,能源浪費較嚴重。在這種情況下,一般面積在大于2000m2,建議采用冷水機組+組合式空氣處理機組的設計形式。

          Generally,itissuitablefortemperatureandhumiditycontrolorthewholedesignareaisnotlarge.Iftheareaislarge,thesystemisdividedmore,thepositionoftheairconditioningmachineroomisrelativelyscattered,themanagementandsystemcontrolwillbeinconvenient,anditisnotconducivetotheunifieddistributionofenergy,andthewasteofenergyismoreserious.Inthiscase,thegeneralareaisgreaterthan2000m2,andthedesignofchiller+combinedairhandlingunitisrecommended.

          恒溫恒濕機組的用途分為兩塊:

          Theuseofconstanttemperatureandconstanthumidityunitisdividedintotwopieces.

          1、恒溫恒濕車間,但無凈化要求;

          1,constanttemperatureandconstanthumidityworkshop,butnopurificationrequirements;

          2、既有恒溫恒濕要求,又需要凈化等級控制;

          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??;針對以上兩點進行分析:

          2.)thesensibleheatintheroomissmall;

          a.從負荷方面考慮:

          A.considerationoftheload:

          系統(tǒng)的送風量是與房間內(nèi)的顯熱和送風溫差決定的,而不是根據(jù)系統(tǒng)總制冷量(房間的顯熱和潛熱)計算得出的。恒溫恒濕機組制冷量一般顯熱占50%,潛熱占50%,相當于新風占整個送風量的20%左右。當房間內(nèi)顯熱較大,而新風量不大時,計算的送風量較大,就不能根據(jù)總制冷量選擇恒溫恒濕機組標定的制冷量來確定。

          Theairvolumeofthesystemisdeterminedbythesensibleheatandairtemperaturedifferenceintheroom,notbythetotalrefrigeratingcapacityofthesystem(thesensibleheatandlatentheatoftheroom).Thecoolingcapacityofconstanttemperatureandhumidityunitis50%,andlatentheatis50%,whichisequivalentto20%ofthefreshairvolume.Whentheheatislargerintheroom,andwhenthenewairvolumeissmall,theamountofairsupplyislarger,anditcannotbedeterminedaccordingtotherefrigeratingcapacityoftheconstanttemperatureandconstanthumidityunit.

          b.從機外余壓考慮:

          B.fromexternalpressureconsideration:

          恒溫恒濕,但無凈化要求系統(tǒng)對空調(diào)機組的機外余壓要求不高,主要克服送回風管道、閥門、散流器、初效過濾器等,常規(guī)的機組即可滿足要求;

          Constanttemperatureandhumidity,butnopurificationrequirementsofthesystemforairconditioningunitsoutsidepressurerequirementsarenothigh,mainlytoovercometheairsupplyandreturnpipes,valves,diffuser,initialfilter,andotherconventionalunitscanmeettherequirements;

          既有恒溫恒濕要求,又需要凈化等級控制的系統(tǒng)對空調(diào)機組的機外余壓要求較高,一般系統(tǒng)總阻力在1100Pa~1400Pa之間,主要克服送回風管道、閥門、散流器、初效過濾器(初阻力50Pa,終阻力100Pa)、中效過濾器(初阻力150Pa,終阻力300Pa)、高效過濾器(初阻力250Pa,終阻力500Pa)等,常規(guī)的機組就無法滿足要求。如系統(tǒng)需要設置二次回風,潔凈式恒溫恒濕機組就無法選用;一次回風的情況,恒溫恒濕機組+加壓箱的設計形式,由于在選擇加壓風機的型號時無法與恒溫恒濕機組內(nèi)的風機很難匹配,不同型號、不同功率的風機在串聯(lián)或并聯(lián)時總風量不是簡單的相加,計算相對較復雜;建議在一般設計過程中盡量設計為單風機系統(tǒng)。

          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)的運作原理

          Theoperatingprincipleofthesystem

          1o

          恒濕恒濕機系統(tǒng)的運作是通過三個相互聯(lián)系的系統(tǒng):制冷劑循環(huán)系統(tǒng)、空氣循環(huán)系統(tǒng)、電器自控系統(tǒng);

          Theoperationoftheconstanthumidityandhumiditymachinesystemisbasedonthreeinterrelatedsystems:refrigerantcirculationsystem,aircirculationsystem,andelectricalapplianceautomaticcontrolsystem.

          1,制冷劑循環(huán)系統(tǒng)

          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),比較終制冷劑與空之間形成一定的溫度差,液態(tài)制冷劑亦完全蒸發(fā)變?yōu)闅鈶B(tài),后被壓縮機吸入并壓縮(壓力和溫度增加),氣態(tài)制冷劑通過冷凝器(風冷/水冷)吸收熱量,凝結(jié)成液體。通過膨脹閥(或毛細管)節(jié)流后變成低溫低壓制冷劑進入蒸發(fā)器,完成制冷劑循環(huán)過程。

          Theliquidrefrigerantintheevaporatorabsorbstheheatoftheair(theairiscooledanddehumidified)andbeginstoevaporate,eventuallyformingacertaintemperaturedifferencebetweentherefrigerantandtheair,andtheliquidrefrigerantiscompletelyvaporizedintothegaseousstate,thenthecompressorisinhaledandcompressed(pressureandtemperatureincreases),andthegaseousrefrigerantpassesthecondenser(aircooling/water).Cold)absorbsheatandcondensesintoaliquid.Throughtheexpansionvalve(orcapillary)throttling,thecryogeniclowpressurerefrigerantenterstheevaporatortocompletetherefrigerantcirculationprocess.

          2,空氣環(huán)系統(tǒng)

          2,airloopsystem

          風機負責將空氣從回風口吸入,空氣經(jīng)過蒸發(fā)器(降溫、除濕),加濕器,電加熱器(升溫)后經(jīng)送風口送到用戶需的空間內(nèi),送出的空氣與空間內(nèi)的空氣混合后回到回風口。

          Thefanisresponsibleforinhalingtheairfromtheairinlet.Theairpassesthroughtheevaporator(cooling,dehumidification),humidifierandelectricheater(ShengWen).Theairissenttotheuser'sspaceaftertheairinlet.Theairsentoutandtheairinthespacewillbemixedbacktotheairvent.

          3,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、風扇、電加器器,加濕器等供應電源自動控制分部分又分為溫、濕度控制及故障保護部分:溫、濕度控制是通過溫、濕度控制器,將回風的溫濕度與用戶設定的溫濕作對比,自動運行壓縮機(降溫、除濕),加濕器,電加熱(升溫)等元件,實現(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.

          

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