FIELD: heating systems. SUBSTANCE: working fluid contains potable water with the following additives, vol. %: propyl alcohol, 20-23; triethylene glycol, 7-9; formalin, 3-6 and soluble glass, 0.008-0.015. EFFECT: enhanced efficiency.
| Title | Year | Author | Number |
|---|---|---|---|
| WORKING FLUID FOR ELECTRODE BOILERS | 2002 |
|
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| ELECTRODE FOR ELECTRODE-TYPE LIQUID HEATER | 1999 |
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RU2383612C2 |
