Zinthu zazikulu zaukadaulo zomwe zimakhudza mphamvu zamagetsi

Kumvetsetsa Kuchira kwa Mphamvu mu makina osinthira kutentha- Zinthu zazikuluzikulu zaukadaulo zomwe zimakhudza mphamvu zamagetsi

Machitidwe obwezeretsa kutentha angagawidwe m'magulu awiri kutengera kutentha kwa dongosolo: Machitidwe obwezeretsa mphamvu ndi kutembenuka kuchokera ku kutentha kwa zinyalala ndi magawo otentha kwambiri (pamwamba pa 70).^oC) ndi machitidwe obwezeretsa mphamvu ndi kutembenuka kuchokera ku kutentha kwa zinyalala ndi magawo otsika otentha (pansi pa 70)^oC).

Kubwezeretsa kutentha ndi makina osinthira mphamvu kuposa 70^oC amagwiritsidwa ntchito mu njira zamakono zomwe zimachitika m'mafakitale opangira mphamvu, chakudya, mankhwala, ndi njira zina zomwe zimatulutsa kutentha kwakukulu.Kutentha kwa zinyalala kumeneku komwe kumakhala ndi matenthedwe apamwamba kumatha kugwiritsidwa ntchito kupititsa patsogolo mphamvu ndi mphamvu zamabizinesi powotcha mpweya mwachindunji m'makina olowera mpweya kapena kukulitsa njira zaukadaulo zomwe zimafuna kutentha kwambiri (mwachitsanzo, gwero la kutentha kwa mapampu otentha omwe amagwiritsidwa ntchito pasteurization m'makampani azakudya, kapena kupanga magetsi mu organic Rankine Cycle kapena Kalina Cycle System).Kutentha kotayira komwe kumakhala ndi zida zokwezeka zotere zitha kugwiritsidwanso ntchito ngati firiji ndi zoziziritsira mpweya (monga kusintha mphamvu yotentha kukhala madzi ozizira pogwiritsa ntchito mayamwidwe kapena zoziziritsa kukhosi).

Kubwezeretsa kutentha ndi machitidwe otembenuza mphamvu pansi pa 70^oC amagwiritsidwa ntchito nthawi zambiri potenthetsera nyumba zogonamo (monga kutentha pansi pogwiritsa ntchito mapampu otentha) kapena nyumba zamalonda (monga mayunitsi owongolera mpweya (AHU) potenthetsa mpweya "watsopano" kapena "kunja" pobwezeretsa kutentha kuchokera ku "zogwiritsidwa ntchito". ” kapena “kutulutsa mpweya”).Nkhaniyi ikhudza kwambiri ntchito zomanga zamalonda.

Machitidwe obwezeretsa kutentha m'magawo oyendetsa mpweya amachokera ku machitidwe awiri omwe, malingana ndi mtundu wa yankho lomwe likugwiritsidwa ntchito pamapangidwe a unit, amadya magetsi (kachitidwe yogwira) kapena ayi (machitidwe osagwira ntchito).Makina obwezeretsa kutentha m'magawo oyendetsa mpweya amaphatikizapo, mwachitsanzo, makina otengera makina osinthira kutentha kapena mapampu otentha osinthika.Njira zobwezeretsanso kutentha kwapang'onopang'ono zimaphatikizanso zosinthira kutentha kwapakati ndi hexagonal.Khalidwe lobwezeretsanso kutentha m'makina olowera mpweya ndikuti kutentha kumabwereranso pakasiyana pang'ono kutentha pakati pa mtsinje wotentha kwambiri komanso kutsika kwa mpweya, ndipo kutentha kwapamwamba sikudutsa 30.^oC (m'nyumba zamalonda, kutentha kwa kutentha kumachitika ngakhale kutentha kwa mpweya).

Nthawi zambiri, kuchira kwa kutentha kwa mpweya wabwino ndi mayunitsi owongolera mpweya kumachitika pogwiritsa ntchito zosinthira zozungulira kapena zodutsa (ma hexagonal), osagwiritsa ntchito mapampu otentha.Zotenthetsera zozungulira zimagwiritsidwa ntchito mu AHUs pomwe kusinthana kwakukulu pakati pa mpweya wolowera ndi wotuluka mu AHU ndikololedwa (izi nthawi zambiri zimakhala nyumba zapagulu).Mpweya wodutsa ndi ma hexagonal heat exchanger amagwiritsidwa ntchito m'magawo owongolera mpweya pomwe kusinthana kwakukulu pakati pa mpweya wabwino ndi wogwiritsidwa ntchito sikuloledwa (monga zipatala).Mapampu otentha osinthika amagwiritsidwa ntchito ngati mpweya wotentha umafunika pakuwotcha.

Misa ndi mphamvu zokwanira zosinthira kutentha zomwe zimagwiritsidwa ntchito m'magawo oyendetsa mpweya

Powerengera magwiridwe antchito a rotary heat exchanger pakubwezeretsa kutentha m'magawo oyendetsa mpweya, kuwonjezera pa mphamvu yamagetsi, kuchuluka koyenera kumafunika.Otsatirawa ndi ma equation a mphamvu ndi misa yamayendedwe okhazikika ndi malingaliro otsatirawa.Zosintha zanthawi ndi nthawi zomwe zimachitika chifukwa cha kayendedwe ka exchanger zimatengera mphamvu zonse ndi chinyezi bwino - ndiko kuti, kusintha kwanthawi ndi nthawi komwe kumatentha komanso chinyezi pamwamba pa gudumu lozungulira ndizochepa ndipo zimasiyidwa powerengera.

a) Misa, kukhazikika, ndi mphamvu zofananira pazosinthira kutentha: