The silicic acid K of the slag is substituted for the content of acidic oxygen and basic oxygen in the slag. Typically the content of various base metal oxides and the metal oxides of various mud, and various oxygen flux represented by the oxygen transfer coefficient. The oxygen coefficient is defined as: the oxygen coefficient for metals and sulfur refers to the number of units of oxygen required to oxidize each unit of metal (or sulfur); for the gold mud and other oxides in the flux, the oxygen coefficient refers to the unit amount of oxygen in the substance. content.
1. For the oxygen coefficient of copper , zinc and other base metals Zn + O = ZnO
65 16
(where 65 and 16 are the atomic weights of zinc and oxygen, respectively)
Therefore, the oxygen coefficient of zinc is 16/65 = 0.246, which means that 0.246 units of oxygen is required to oxidize the unit amount of zinc.
2. Oxygen coefficient for other oxides in gold mud SiO 2 = Si + 2O
60 2 × 16
32
Therefore, the oxygen coefficient of silica is ——=0.534, that is, the unit amount of silica (SiO 2 ) contains 0.534 units of oxygen.
60
3. Oxygen coefficient for saltpeter 2NaNO 3 = Na 2 O + 2NO + 3O
2×85 46+16
16
Therefore, the oxygen coefficient of saltpeter is —— = 0.094. Because only NaO is used as a slagging component after the decomposition of saltpeter, only NaO 170
Oxygen can participate in the calculation.
4. coefficients of oxygen to calculate the two parts of borax, borax as slag forming component involved two kinds 2 O 3 Na 2 O and B. They are also alkaline and acidic oxides, so their oxygen is also alkaline oxygen and acid oxygen.
Na 2 B 4 O 7 = Na 2 O + 2B 2 O 3
202 46+16 2 (22+48)
96 16
Therefore, the acid oxygen coefficient of borax is ——=0.477; the basic oxygen coefficient is ——=0.079.
202 202
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