{"id":1233,"date":"2009-06-10T09:48:41","date_gmt":"2009-06-10T07:48:41","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=1233"},"modified":"2009-06-09T08:49:00","modified_gmt":"2009-06-09T06:49:00","slug":"trattamento-delle-acque-di-torre","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/1233\/trattamento-delle-acque-di-torre\/","title":{"rendered":"Trattamento delle acque di torre"},"content":{"rendered":"

Trattamento delle acque di torre<\/a>
\n<\/a>1. Depositi di sali insolubili
\n<\/a>2. Formazioni biologiche<\/a>
\n3. Corrosione<\/a>
\n4. Fanghi<\/a>
\n5. Formazione di schiuma<\/a>
\nSintomi della formazione di depositi<\/a>
\nRimedi preventivi<\/a>
\nBilancio di concentrazione<\/a>
\nConclusioni<\/a><\/p>\n

<\/a><\/p>\n

Generalit\u00e0<\/strong>
\nIl funzionamento e la resa di un circuito di raffreddamento per evaporazione, possono essere gravemente compromessi da taluni fenomeni, principalmente:
\n– Depositi o incrostazioni
\n– Fanghi
\n– Corrosione
\nLa comparsa di questi fenomeni viene impedita o limitata controllando le condizioni chimico-fisiche dell’acqua, mediante opportuni trattamenti generalmente chimici.<\/p>\n

Circuiti di raffreddamento<\/strong>
\nCome abbiamo gi\u00e0 visto, se ne distinguono tre tipi:
\n1. con acqua a perdere, utilizzando acque sotterranee o superficiali;
\n2. aperti, in cui l’acqua di raffreddamento ad ogni ciclo viene in contatto con l’aria;
\n3. chiusi, nei quali l’acqua di raffreddamento non viene in contatto con l’aria ma trasmette il proprio calore a un altro fluido in uno scambiatore.<\/p>\n

Noi ci occuperemo solo dei circuiti aperti, ossia del caso 2.<\/p>\n

Circuiti di raffreddamento ad evaporazione<\/strong>
\nI circuiti di raffreddamento ad evaporazione (con torre o condensatore evaporativo),\u00a0 sono circuiti aperti in quanto l’acqua viene a contatto dell’aria nell’apparecchio di raffreddamento.<\/p>\n

In essi si verificano gli inconvenienti gi\u00e0 accennati, dovuti a:
\n1. depositi di sali insolubili
\n2. formazioni biologiche
\n3. corrosioni delle parti metalliche ed alterazioni delle parti in legno
\n4. formazione di fanghi
\n5. formazione di schiuma<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Trattamento delle acque di torre 1. Depositi di sali insolubili 2. Formazioni biologiche 3. Corrosione 4. Fanghi 5. 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