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ou1-c10-evaporarea - Cadre Didactice

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EVAPORATOARE CU<br />

FASCICUL TUBULAR<br />

CU FILM ASCENDENT<br />

Evaporatorul KESTNER<br />

o brevetat in 1899;<br />

o L tevi: 6 – 12 m;<br />

o D tevi: 25 – 50 mm;<br />

o K mic in zona tevilor pline cu lichid;<br />

o K mare in zona de fierbere a<br />

solutiei;<br />

o Filmul este ridicat pe peretele<br />

tevii de bulele de vapori care se<br />

formeaza la fierbere;<br />

o v vapori: 20 – 100 m/s;<br />

o v ascensionala a lichidului: 0,12 m/s

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