Rau Titanium Immersion rhaub nyob rau hauv 3% Sodium Bicarbonate tov ntawm 80 degree, Vim li cas cov nplais sib xyaw ua haujlwm hloov ntawm Calcite mus rau Aragonite Thaum Phab Ntsa Kub Tshaj 95 degree, thiab Qhov no cuam tshuam li cas?

Calcium carbonate (CaCO3) scale deposits ntawm titanium heaters nyob rau hauv 3% sodium bicarbonate (NaHCO3) ntawm 80 degree. Lub nplai lub pob zeb siv lead ua yog tswj los ntawm lub raj phab ntsa kub. Calcite-ib lub rhombohedral, me ntsis adhering daim ntawv- yog cov ntxhia hauv qab 95 C. Aragonite tshwm sim tshaj 95℃hauv ib rab koob-zoo li, tsis tshua muaj adhering daim ntawv. Aragonite yog tawv dua thiab nyuaj rau tshem tawm los ntawm kev ntxuav cov kua qaub. Kev hloov pauv kub yog qhov tseem ceeb rau kev xaiv ntawm kev ntxuav zaus thiab txheej txheem.

Phab ntsa Temperature vs. Quantitative Scale Composition

Ntawm qhov sib txawv ntawm qhov kub thiab txias ntawm 80 degree:

Phab ntsa kub<90°C: Calcite >80%, aragonite<20%. Scale thickness 0.1-0.3 mm/yr. Removable by HCl 5%.

Phab ntsa kub 90-95 degree. Calcite 50-80%. Aragonite 20-50%. Mixed nplai. Siv tawv tawv los ntxuav.

At wall temperatures of 95–100 °C, aragonite is >80%. Scale thickness: 0.3-0.6 hli / xyoo Mechanical tu los yog HCl + inhibitor.

Wall temperature >100°C Aragonite >95%. Nyuaj heev, tsis tu ncua scaling. Nyuaj tawm mus.

Scale Management Manual

Phab ntsa kub (degree) Scale Hom Kev Tu Txoj Kev Pom Zoo Kom Ntxuav Ntau zaus<90 Calcite 5% HCl, 30 min, 50°C Quarterly 90–95Mixed 5% HCl + inhibitor 60 min Monthly 95–100Aragonite Mechanical (brushing) + HCl Bi-weekly >100 Aragonite (nyuaj) Hloov lub rhaub N / A
Tswv yim Engineering

Rau cov kev pab cuam sodium bicarbonate, tsim lub rhaub kom tswj cov phab ntsa kub hauv qab 95℃los ntawm qhov chaw saum npoo av (qis watt ntom) los yog ua kom nrawm nrawm. Tus engineer tswj cov phab ntsa kub kom khaws cov calcite scaling kom yooj yim ntxuav.