Lub hauv paus ntsiab lus thiab cov yam ntxwv ntawm hluav taws xob cua sov Tube Chemical Heat Exchanger
Tso lus
Lub hauv paus ntsiab lus thiab cov yam ntxwv ntawm hluav taws xob cua sov Tube Chemical Heat Exchanger
1. Txoj Cai
T-shaped finned tube yog ib qho khoom siv hluav taws xob zoo uas tsim los ntawm dov lub raj du. Nws cov yam ntxwv feature yog tsim los ntawm ib tug series ntawm kauv annular T-puab tunnels nyob rau sab nrauv ntawm cov yeeb nkab. Thaum lub nruab nrab sab nraum lub raj yog rhuab, ib tug series ntawm npuas nuclei daim ntawv nyob rau hauv lub qhov. Vim yog nyob rau hauv ib lub xeev rhuab nyob ib ncig ntawm lub qhov kab noj hniav, lub npuas nuclei sai sai nthuav thiab sau lub puab kab noj hniav. Cov cua kub tsis tu ncua ua rau lub siab nyob rau hauv lub npuas kom nrawm nrawm, ua rau lub npuas kom nrawm nrawm los ntawm cov kab nrib pleb zoo rau ntawm qhov chaw ntawm lub raj. Thaum cov npuas raug tshem tawm, lawv nqa ib qho tseem ceeb scouring quab yuam thiab tsim kom muaj qee qhov tsis zoo hauv zos, ua rau cov kua dej nyob ib puag ncig qis ntws mus rau hauv T-puab qhov, ua rau kub kub. Txoj kev boiling no tshem tawm cov cua sov ntau dua rau ib cheeb tsam ntawm ib chav tsev ib lub sij hawm ntau dua li lub raj tsis muaj zog, yog li cov raj hom no muaj peev xwm ua kom kub kub ntau dua.
2. Cov yam ntxwv
⑴ Kev hloov pauv kub zoo. Lub boiling heat transfer coefficient ntawm T-tube nyob rau hauv R113 ua hauj lwm kua yog 1.
(2) Cov pa hluav taws xob lub teeb hluav taws xob tsuas yog npuas thiab boil thaum qhov kub ntawm qhov kub nruab nrab yog 12 degree -15 degree siab tshaj qhov kub kub los yog npuas taw tes ntawm qhov nruab nrab txias. Lub T-shaped finned tube kub exchanger tsuas yog xav tau qhov kub ntawm qhov sib txawv ntawm 2 degree -4 degree, thiab qhov nruab nrab txias tuaj yeem boil, thiab bubbling yog zoo, tsis tu ncua, thiab ceev, tsim ib tug tshwj xeeb kom zoo dua piv rau cov hlab.
Qhov kev sim ib leeg siv Freon 11 raws li qhov nruab nrab qhia tau hais tias lub rhaub dej kub hloov coefficient ntawm T-tube tuaj yeem ncav cuag 10 npaug ntawm cov raj liab qab; Tag nrho cov tshav kub hloov pauv coefficient ntawm lub raj me me nrog cov kua ammonia raws li qhov nruab nrab yog 2.2 npaug ntawm cov raj liab qab; Kev lag luam calibration ntawm reboiler ntawm C3 thiab C4 hydrocarbon sib cais ntauwd qhia tau hais tias tag nrho cov tshav kub hloov pauv coefficient ntawm T-tube yog 50 feem pua siab dua li cov raj du ntawm cov khoom qis thiab 99 feem pua siab dua ntawm kev thauj khoom siab.
Piv rau aluminium ntxeem tau saum npoo tshav kub hloov raj, tus nqi pheej yig dua.
Vim tias muaj kev cuam tshuam ntawm cov roj-kua ua kua hauv lub qhov thiab cov roj nrawm nrawm nrawm ntawm T-slot, kev ntsuas tsis yooj yim rau kev tsim ntawm ob sab hauv thiab sab nraud ntawm T-slot. Qhov no ua kom ntseeg tau tias cov cuab yeej siv tau ntev thiab cov txiaj ntsig hloov hluav taws xob yuav tsis cuam tshuam los ntawm kev ntsuas.
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