Izakhi zobuchwepheshe ezibalulekile ezithinta ukusebenza kahle kwamandla

Ukuqonda ukutholwa kwamandla kuma-rotary heat exchangers- Izinto ezibalulekile zobuchwepheshe ezithinta ukusebenza kahle kwamandla

Amasistimu okubuyisela ukushisa angahlukaniswa abe izigaba ezimbili ngokusekelwe kumingcele yokushisa yohlelo: Amasistimu okubuyisela amandla kanye nokuguqulwa ekushiseni kwemfucuza okunemingcele ephezulu yokushisa (ngaphezu kuka-70^oC) kanye nezinhlelo zokubuyisa amandla kanye nokuguqulwa ekushiseni kukadoti ngamapharamitha aphansi okushisa (ngaphansi kwama-70^oC).

Amasistimu okubuyisela ukushisa nokuguqula amandla angaphezu kwama-70^oC isetshenziswa ezinqubweni zobuchwepheshe ezenzeka ezimbonini zamandla, ukudla, amakhemikhali, nezinye ezisekelwe enqubweni lapho kukhishwa khona imfucuza enkulu.Lokhu kushisa kukadoti okunamapharamitha aphezulu okushisa kungasetshenziswa ukuthuthukisa amandla kanye nokusebenza kahle kwezomnotho kwamabhizinisi ngokufudumeza umoya ngokuqondile ezinhlelweni zokungenisa umoya noma ngokwandisa izinqubo zobuchwepheshe ezidinga amazinga okushisa aphakeme (isb. umthombo wokushisa wamaphampu okushisa asetshenziselwa ukugcinwa kwempahla embonini yokudla, noma ukukhiqizwa kukagesi ohlelweni lwe-Rankine Cycle noma lwe-Kalina Cycle).Ukushisa okulahlwayo okunamapharamitha ashisayo aphakeme anjalo kungase kusetshenziselwe ukwenza isiqandisi kanye nezinqubo zokupholisa umoya (isb. ukuguqula amandla ashisayo abe amanzi abandayo kusetshenziswa ama-absorption noma ama-adsorption chiller).

Amasistimu okubuyisela ukushisa nokuguqula amandla angaphansi kwama-70^oI-C ivame ukusetshenziselwa izinjongo zokushisisa ezakhiweni zokuhlala (isb. Ukushisisa phansi kusetshenziswa amaphampu okushisa) noma izakhiwo zezentengiselwano (isb. kumayunithi okubamba komoya (AHU) ukushisisa umoya “ohlanzekile” noma “ongaphandle” ngokuthola ukushisa “okusetshenzisiwe. ” noma “khipha umoya”).Lesi sihloko sizogxila kwizicelo zokwakha zentengiso.

Amasistimu okuthola ukushisa kumayunithi okuphatha umoya asekelwe kumasistimu amabili okuthi, kuye ngohlobo lwesixazululo esimukelwe ekwakhiweni kweyunithi, asebenzise ugesi (amasistimu asebenzayo) noma cha (amasistimu angenzi lutho).Amasistimu okubuyisela ukushisa asebenzayo kumayunithi okuphatha komoya afaka, isibonelo, amasistimu asekelwe kwizishintshisi zokushisa ezijikelezayo noma amaphampu okushisa abuyiselekayo.Amasistimu okubuyisela ukushisa okungenzi lutho ahlanganisa izishintshi zokushisa ezinqamulayo nezinezinhlangothi ezine.Isici sokubuyiswa kokushisa ezinhlelweni zokungenisa umoya ukuthi ukushisa kutholakala ngomehluko omncane wokushisa phakathi kwezinga lokushisa eliphakeme lokugeleza komoya kanye nokugeleza komoya okushisa okuphansi, futhi izinga lokushisa eliphakeme lomoya alivamile ukwedlula ama-30.^oC (ezakhiweni zezentengiselwano, ukubuyiswa kokushisa kwenzeka ngisho namazinga okushisa omoya aphansi).

Imvamisa, ukubuyiswa kokushisa kumayunithi wokungenisa komoya kanye ne-air-conditioning kwenziwa kusetshenziswa izishintshi zokushisa ezijikelezayo noma eziphambanayo (i-hexagonal), kancane kancane zisebenzisa amaphampu okushisa.Izishintshi zokushisa ezijikelezayo zisetshenziswa kuma-AHUs lapho ukushintshana okukhulu phakathi komoya ongenisayo nokuphumayo ku-AHU kuvunyelwe (lezi ngokuvamile izakhiwo zomphakathi).Izishintshi zokushisa ezigelezayo nezinezinhlangothi ezine zisetshenziswa kumayunithi okuphatha umoya lapho ukushintshana okukhulu phakathi komoya omusha nosetshenzisiwe kungeke kuvunyelwe (isb. izibhedlela).Amaphampu okushisa abuyiseleka emuva asetshenziswa uma umoya wokushisa ophezulu udingeka ngezinjongo zokufudumeza.

Ibhalansi yesisindo namandla kuzishintshi zokushisa ezisetshenziswa kumayunithi okuphatha umoya

Lapho kubalwa ukusebenza kwesishintshi sokushisa esijikelezayo sokuthola kabusha ukushisa kumayunithi okuphatha komoya, ngaphezu kwebhalansi yamandla, kudingeka ibhalansi enkulu efanele.Okulandelayo izilinganiso zebhalansi yamandla nesisindo sezimo zokugeleza kwezimo eziqinile ezinokuqagela okulandelayo.Izinguquko zepharamitha ngezikhathi ezithile ezibangelwa ukunyakaza kokushintshanisa zilinganiselwa kuwo wonke amandla kanye nebhalansi yomswakama - okungukuthi, izinguquko zendawo ngezikhathi ezithile ezingeni lokushisa kanye nomswakama ebusweni besondo elijikelezayo azisho lutho futhi azikho esibalweni.

a) Isisindo, ukugxilisa ingqondo, kanye nebhalansi yamandla yezishintshi zokushisa ezijikelezayo: