设计参考题目30kg h调温除湿机的

空气的相对湿度对我们生活环境的舒适度和生产工艺都有着举足轻重的影院、家庭以及贵重物品保藏、珍贵的保管。可防止材料器的表面温度低于温度，湿空气经过蒸发器就会冷凝为水析出，而使空气得制冷循环主要是由压缩机吸入蒸发器来的低温、低冷剂、压缩后形成高温、：除湿机蒸发器冷凝器Thedesignof30kg/hthermostatTherelativehumidityoftheairhasasignificantimpactonourdailylifeandproductiontechnology.Airdehumidificationmachinesaremechanicalequipmentsthatwereusedtoremovethewatercontainedintheairtoreducetheairhumidity.Airdehumidificationmachinescanbewidelyusedinhos,hospitals,housesandsafekeeofvaluablesstorageorrareculturalrelics.Airdehumidificationmachineswereusedtopreventcorrosiondamageforthematerials.Dehumidifierdehumidificationcapacityperformeverywellinsomeceswherehavespecialrequirements.Withthecharacteristicsoftheoutletairtemperatureisadjustableandlargeamountofdehumidificationtherefrigerationair-conditioningdehumidifiergetthefavourofdesignersandusersgradually.Akindoffrozenadjustabledehumidifierisdesignedinthispaper.Frozendehumidificationmethodistomakethesurfacetemperatureoftheevaporatorbelowerthanthedewpointtemperature.Atthesametime,wetairthroughtheevaporatorwillcondenseintowatertoprecipitation.Temperature-regulateddehumidifierhastwocondensers:awater-cooledcondenserandanair-cooledcondenser.Dehumidifierandairconditionerisapproximaythesamestructure,includingcompressor,condenser,evaporator,capillarytube,fanandsoon.Theairconditionerindoorandoutdoorusethesamefanandcarryoutheattransferrespectively.However,thedehumidifierbyaductundertheactionoffan,carryonwetairheatexchangewiththeevaporatorandcondenser.Airdehumidificationmachineaccordingtothestructureandfunctioncanbedividedintothreeparts:refrigerationcycleparts,aircirculationandelectricalcontrolparts.Refrigerationcycleismainlybythecompressortosuctionthelowtemperatureandlowpressurerefrigerantfromevaporator,compressionafterhightemperatureandhighpressuregasformation,andthenthroughcondensationandthrottlingtolowtemperature,lowpressureliquidintotheevaporator,afterevaporationheat elowtemperatureandlowpressuregasbacktothecompressor.Cyclingtowetairmoisturecondensation.Aircirculationpartconsistsofinlet,outlet,centrifugalfanandairduct.Humidairinfanattractcarryonheatexchangewiththeevaporatorsurfacecontact.Duetotheevaporatorsurfacetemperatureislow,wetairiscooledanddehumidificationbyfilteringmoisturecondensationafterdown,aftercoolinganddehumidificationofairthroughthecondenserheatconversionbycentrifugalfanagainbeforesent.Electricalcontrolpart,willbeclosedthepowerswitch,thecompressorandfantostartworkatthesametime.Thistopicresearchmethodistheoreticalcalculation,mainlyontheheatbalancecalculationinthesystem,namelywetairtreatmentofcalculationandtherefrigeratingcompressorcyclethermodynamiccalculation,todeterminetheloadandtemperatureattheinletandoutletofthecondenserandevaporator,andthencompletetheandandcondenserstructuraldesign,andfinallydetermineitsappearancestructureandpressuredrop.ConsideringConsideringthattherewillbealargenumberofwatervaporcondensationontheevaporatorfin,evaporatorfincarryonthemembranetreatmenttofacilitatethecondensateflowout.Inpractice,temperature-regulateddehumidifierhastemperaturelimit.Inthisstudy,theproblemhasnotyetstartedtoresearchfurther.Throughthistopicresearch,wefindthatthetemperature-regulateddehumidifiercaneffectivelyreducetherelativehumidityinsidethehouse,andcanadjustindoortemperature.Atthesametime,thetemperature-regulateddehumidifierhavefeaturesofconvenientoperationandeasytouse.Wecanseethattemperature-regulateddehumidifiersarewidelyusedinthecivildefenseengineering,thelibrary,allkindsofwarehouse,medical,food,agricultureandsoon.Thetemperature-regulateddehumidifierhasimportantsignificancetolifeandeconomicdevelopmentinourcountryandhasagoodapplicationprospect. 第一章绪 第二章设计计算说 结 致 可广泛应用于旅馆、医院、家庭以及贵重物品保藏、珍贵的保管。可防止材温度可调的特点,越来越受到设计人员和用户的青睐[2~4]。另一方面，节能与环保是空调产业永恒的。从降低能耗对减小温室效应论研究一直处于领先地位[8]。国内的除湿技术虽于国外，但近十几年在热泵冷冻除湿的方法是在制冷系统中使蒸发器的表面温度低于温度湿空气图1-1-1图1-1-2除湿机与空调器其结构大体相同,包括压缩机、冷凝器、蒸发器,毛细管、图1-2-1除湿机结构图空气循环部分的吸引下与蒸发器表面接触进行热交换。由于蒸发器表面温度较低,经过滤的湿温湿除机不被选用,极大地限制了温除湿机这一节能产品的推广运用[20]。蒸发温度t0上升，从图4-1中可以看出当t0上升到一定值时，W有极大值，而且制冷系数0t3也较低i2i3)≈1.2i1i2)]，tkd2、d3要稍高些，所以工作时除湿量会较大，但最后能达到的含湿量要偏高些。若蒸发器既定，增大压缩机，则可知蒸发温度t0会下降。这种方案增大了初投资，其效果显然和t0t3、tk0不能充分利用压缩机[25~28]。而且t0太低会结霜。但是i会增加，风量G可下降，图1-4-1冷凝器的热负荷和温度。最后，对蒸发器进行、冷凝器进行的结构设计，干球温度 额定风量 查焓湿图的空气状态（1）干球温度 含湿量：d=13.6 相对湿度：φ=112 图 Dd2d1D

13.6301.2

d2与952点，查焓湿图可以得244.2kJ/kg，t216.3℃。Q0

1.261.844.29000kW品牌：压缩型号 制冷量：58.64蒸发温度 水冷冷凝温度风冷冷凝温度 输入功率：20.222-2-22029.5接管尺寸高度底角尺寸油充注量重量2h00G2 061.8 h00G1 2.2.3d02与95%20点，查焓湿图可以2015.615.110.38g/kg。D01

d2

)1.29000(13.610.38

)34

kg/风冷冷凝器 33456891.风冷冷凝器2.蒸发器3.膨胀阀4.电磁阀5.电磁阀（升温）.10.电磁阀（降温）.1图 R22压焓查R22压-焓图（）,得制冷剂各点的温度、压力、焓值，详细见表1℃5t1与等p0的交点2℃h2p2的23℃3点，制冷4℃t4为饱和液体5℃5t5为蒸发器入2-2-2-2中2-2-2-2序号12 qv=v=3 qm=q=04Ww=h2−h1=440.2−5NN=qmw=0.404×6qk=h2−h4=440.2−7Qk=qmqk=0.404×8ℰ ε=w 蒸发器空气状态参数：干球温度：27d=13.6g/kg；焓值：h=61.8kJ/kg。干球温度：15.6d=10.38g/kg；焓值：h=42.25kJ/kg采用连续整体式铝套片，紫铜管为Φ12×0.9mm正三角形排列，管间距构参见下图（2.3 2.3其设计计算的具体内容及结果如下表（2-3-2-3-31db2di=Do-32×(s1−db)(sf−δ)def= 4度LL=5s2=5×52(SS−11 af f6积πdo(Sf−ab f7aof=af+8ai=πdil=π×0.011×9β β α α ε(S1−do)(Sf−ε ωmax=ε=1℃tf=(t1+2234数567×84.46×Red=18.2×9 do−0.54hα0f= ( 12345ξ(h1−ξcp(t1−6qm,da=h− 7RaT1(1+v1 b8qv,a=9mm=√λ 数ρ ρ ςmς=(ρ−1)(1+1R0=26×h′=ηf ab+ηo α=ζα(ηfaf+ af+1234rt0=5℃5t0=5℃67R22数t0=5℃8x1=1−qm9A A=g=310id2 π×A= i= Z根 1.30×10−3Z=A=9.5×10−5i取Z qm,d=Z gi= =9.5×igi αi=57.8c(d i2.82B0=gi×1−̅0.8ρgC0= (ρ1数 ig1(1−̅)diRe1 1α1=αi=α1[C1(C0)C2+C3(B0)C4m℃θ′=t1− lnt1−t2−1K0=at at 1αiai+rw+rs+amrt+q=K qi=ai计算表明，10500−10420.19=0.7%<2.5%1 Fi=q=i2 F0f=q=03mL′=F0f= 4qv Af=ω=2.5×f5Bm6Hm7A′=BH=0.85×f8根 n1=S=3019N根 N= =125.83, Z排 Z=n=2815mLt=28×5×Fi′=182ai=182×F0f‘=182aof=182×度WmW=S2Z=25×5=125 L′=224.76=tA = =8.14=iW∆p=1.2× 11×i2∆PR22=∆PR12×35℃R22584.32KPa，流动阻力损失仅占饱和空气5.6%，因此流动阻力引起的蒸发温度变化可忽略不计。4 =(30−12)1000=Red =f P= =S= 0 PT=D=12=0X=1.0PT及Redftz5降678

2-4-112 qv=v=3 qm=q=04Ww=h2−h1=440.2−5N6qk=h2−h4=440.2−78ℰ2-4-2-4-21℃2℃3Qk=根据本设计的需求，选用科KHS冷凝器，型号为KHS-20图 为Φ12×0.9mm正三角形排列，垂直于流动方向的管间距S1=25mm，铝片厚δ=0.2mm，考虑风源热泵的结霜特性，取翅片距Sf=3mm，铝片导热系数2-5-21℃2℃3456W7℃8℃9HmLmN根bm11233-4n3-5C3-6m3--78m9mmB3-K12LM3N排84Lm56热面积 可作为冷凝传热面积的富余量72-6BH排5根BH排8根[1].热泵技术在工业上的应用前景[J].资源节约,2008,24(2):38-[2],.热气旁通技术在全新风调温除湿机上的应用[J].制冷与空[3],,崔国民,,.热泵技术应用现状及发展[J].理[4],,.集中式空调系统的除湿设计[J].暖通空调,2004,34(7):73-[5],,,学,乔木.热泵干燥装置的技术经济及环境分析[J].节[6],,.变频除湿机性能研究[J].制冷与空调,2009,23(6):98-[7]居理.热泵除湿机在恒温游泳池中的应用[J].建设科技,2009,(1):19-[8],何建国，张海红，珊.热泵除湿技术的应用与发展[J].工程技黄祎林吴兆林周志钢热泵除湿技术的应用与发展[J化工装备技邵双全,石文星,,.低温除湿调温热泵机组技术现状分析[J].制冷，何建国珊,张海红,,.节能型冷却除湿机的研制[J].农业科学，王新宇浅谈并联型热泵调温除湿机组原理与应用[J科技创新导同,,,.热泵自然干燥[J].化学工程与装备,2011,(7):157- 20102（4S.Lowrey,G.Carrington,Z.Suna,M.Cunningham.ExperimentalinvestigationofgeareddomesticrefrigerativedehumidifierperformanceinNewZealandhouseholdclimates[J].internationaljournalofrefrigeration,35(2012)750-756.Qi-LongShi,Chang-HuXue,YaZhao,Zhao-JieLi,Xiang-YouWang.Corrigendumto“Dryingcharacteristicsofhorsemackerel(TrachurusJaponicus)driedinah