I. Kutemerwa kweBasic process Data (Zvinodiwa paKusarudza Model)
1. Tsanangura zvakajeka zvinhu zvezvinopisa uye zvinotonhora zvemashoko (kusarudza midziyo yemidziyo uye miganhu yemaitiro).
Chekutanga, zvakakosha kuti utarise nhepfenyuro pamativi ese ekupisa nekutonhora-semvura inogadzirwa, mvura inotenderera, chiutsi, mafuta ekudziya, acidic kana alkaline solution, kana brine.
Midhiya yakasiyana inokanganisa midziyo nenzira dzakasiyana; semuenzaniso, chloride{{0}ine media inogona kukonzera ngura zviri nyore, zvichiita kuti pave nekushandiswa kwezvinhu zvakaita se316L stainless steel kana titanium.
Kana midhiya iine zvimedu zvakamiswa kana zvinhu zvinowanzoita crystallization, funga kuwedzera gap rechiteshi kana kuderedza kuyerera kwevhavha kudzivirira kuvhara.
Kana chikafu-chegiredhi kana chemishonga-zvinodiwa zvegiredhi zvichishanda, dhizaini yacho inofanirwa kuenderana nemitemo yehutsanana (semuenzaniso, kubvumidza kubviswa nekucheneswa, nekuona kuti pane chivakwa chisina nzvimbo dzakafa).
2. Rondedzera tembiricha yekupinza uye yekubuda (iyo inosarudza simba rekutyaira rekuchinjisa kupisa).
Inlet uye inonangwa yekubuda tembiricha kune ese ari maviri anopisa uye anotonhora mativi anofanira kupihwa (semuenzaniso, kutonhora kubva pa80℃kusvika 50 degree, kudziyisa kubva pa20℃kusvika 60 degree).
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· Musiyano wetembiricha unosarudza zvakananga simba rekutyaira rekuchinjisa kupisa; musiyano mudiki wekushisa unoda nzvimbo yakakura yekupisa kupisa.
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· Zvinodiwawo kuona kana paine "tembiricha inogumira"-semuyenzaniso, kana zvinodikanwa zvichiratidza kuti kutonhora-parutivi tembiricha haigoni kudarika imwe muganhu.
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· Kana shanduko yechikamu (senge condensation kana evaporation) ichibatanidzwa, chimiro chetembiricha chinofanira kutsanangurwa zvakasiyana.
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3. Sarudza chiyero chekuyerera uye mutoro wekushanda (unosarudza chiyero chekuchinjana kwekupisa)
Misa kana volumetric kuyerera mazinga kune ese ari maviri anopisa uye anotonhora mativi anofanirwa kupihwa, sezvo aya ari iwo epakati pekuisa pakuverenga mutoro wekupisa.
Izvo zvinodikanwa kusiyanisa pakati pematatu ekushandisa mamiriro: yakanyanya kuremerwa, yakajairika mutoro, uye shoma mutoro.
Kana iyo sisitimu ichisanganisira kuchinjika mashandiro (senge kugadzirwa kwepakati), kuchinjika kune ane simba anoshanda mamiriro anofanirwa kutariswa.
Iko kurongeka kweyero yekuyerera data inotarisisa zvakananga kana iyo inopisa exchanger yakawandisa kana yakaderera.
4. Tsanangura miganhu yehurongwa uye zvipingamupinyi (engineering constraints).
Tsanangura zviripachena huwandu hunotenderwa kudonha kwesimba-somuenzaniso, Zvisingasviki kana kuenzana ne50 kPa kana muganhu unotarwa nekuwanda kwepombi.
→ Iyi parameter inotaura zvakananga dhizaini yematanho eplate uye kusarudzwa kwekuyerera kwevelocities, kushanda seyakanyanya muganhu mamiriro anokanganisa mashandisirwo emagetsi system.
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Tsanangura zvakajeka zvipingamupinyi zvekuisa nzvimbo, zvinosanganisira kureba kwemidziyo, inlet/outlet orientation, uye kubvumidzwa kwekugadzirisa.
→ Spatial mamiriro anozoraira zvakananga zviyero zvechitsinhanho chekushisa uye kugona kwekugadzirisa mune ramangwana.
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Sarudza kana kuwedzera kwehuwandu hwemangwana kuchibvumidzwa (izvo zvinokanganisa kana kuwedzera kweplateti kunoda kuchengetwa).
→ Ichi chinhu chinotarisa kana modular dhizaini inofanira kugamuchirwa kubvumira kuwedzera kupisa kwekutamisa simba pane imwe nguva.
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Sarudza kana iyo sisitimu inoshanda nguva dzose (iyo inokanganisa kuchengetedza uye redundancy dhizaini).
→ Iyo yekushandisa modhi inopesvedzera kana zvigadziriso zvemidziyo zvisina basa zvichidikanwa uye magadzirirwo ekuchenesa nekugadzirisa anotangwa.
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Kuverenga kweThermal uye Kufunga kweKutamisa Kupisa Zvinodiwa (Core Design Phase)
1. Thermal load calculation Q (inotemesa "capacity class" yemidziyo
Basic calculation formula:
Q=m × Cp × ΔT
Kuverenga kunofanira kuitwa zvakasiyana kune inopisa uye inotonhora mativi; nedzidziso, musimboti wekuchengetedza simba unofanirwa kugutsikana.
Kugadziridza kunofanirwa kuverengerwa pakurasikirwa nekupisa kana kuita-zvinechekuita nekuburitsa kupisa/kutorwa.
Iko kukosha kweQ ndiyo yekutanga paramende inotarisa nzvimbo yekupisa yekupisa.
2. Kuverenga kweLogarithmic Mean Temperature Difference (LMTD) (Driving force analysis)
Inoshandisa-flow calculation formula:
LMTD=(ΔT1 - ΔT2) / ln(ΔT1 / ΔT2)
ΔT1 uye ΔT2 inomiririra kusiyana kwekushisa pamagumo maviri.
LMTD diki inoratidza tembiricha isina simba-musiyano wekutyaira, inoda michina mikuru.
Zvibatiso zveplate zvinowanzoshandisa kaunda-kuyerera kurongedza kuti LMTD iwedzere.
3. Flow correction factor F (structural influence factor)
• Kana mvura yacho iine{{0}yepasi kana kuti{1}}isina kuyerera pateni yakanaka, panoda kugadziriswa.
• Yakajairika mhando: 0.75–1.0.
• Multi{{0}zvimiro zvekupasa kazhinji kacho zvine F-yakaderera kukosha, asi zvinogona kunatsiridza kukurumidza kuparadzirwa.
• Software yemugadziri inofanira kushandiswa pamwe chete nedhizaini.
Zvidimbu zvePlate uye Shanduko yeChimiro (Kubva mudzidziso kuenda kune Equipment)
1. Sarudzo yemhando yeplate (inosarudza kushanda nesimba uye kudonha kwemagetsi)
• Herringbone plates: Kupisa kwakanyanya kwekuchinjana kwekushisa, asi kuderera kukuru kwakaoma.
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• Shallow corrugated plates: Low pressure drop, inokodzera kuyerera kwepamusoro, kuderera kwemaitiro maitiro.
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• Marara akadzika marata: Simba rekudzivirira-kuvharika, akakodzera kusvibiswa.
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Plate angle (semuenzaniso, 30 dhigirii / 60 dhigirii) inokanganisa mhirizhonga yakanyanya uye maitiro ekudhonza.
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2. Plate size uye nzvimbo yekutsinhanisa kupisa inofananidzwa.
• Vagadziri vakasiyana vanoshandisa maplate nzvimbo (0.1–3 m²/plate).
• Ma plates mahombe anokodzera-kuyerera-reti masisitimu epamusoro, ukuwo ma plates madiki akakodzera kurongeka masystem.
• Saizi yemidziyo uye mari yekugadzirisa inofanirwa kutariswa pakusarudza ndiro.
• Kune imwe nzvimbo yekutsinhanisa kupisa, hukuru hwakasiyana-siyana hweplateti hunogona kutungamirira kune zvakasiyana-siyana zvehutano.
Kana uchida kuziva zvakawanda pamusoro pemayuniti ekuchinjisa kupisa kana uchida kutenga, tapota tumira email ku 9988xiaoshuai@gmail.com, tichakupindura nenguva mushure mekuona meseji!
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