Analysis of sulfur-containing boiler water
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What tests are usually done on the water in sulfur boilers, and what are the relevant parameters? Please let me know. Thank you
Generally, the tests are conducted on parameters such as the total alkalinity, total hardness, suspended solids, dissolved oxygen, total solid matter, sulfate, phosphate, and relative alkalinity of boiler water.
Phosphate, conductivity – what should the pH be?
Analyzed sample, Analysis item, Unit, Analysis frequency, Analysis method, Indicator: Deoxygenated water – pH: 2 times per day; GB/T 6904.3-93; Range: 8.8–9.3. Hardness: μmol/L; 2 times per day; Limit: ≤2. Dissolved oxygen: μg/L; 2 times per day; Limit: ≤15. Reaction furnace water – pH: 2 times per day; GB/T 6904.3-93; Range: 9–11. Phosphates: mg/L; 2 times per day; GB/T 1576-2008; Range: 5–15. Conductivity: μs/cm; 2 times per day; No specific limit specified. Burning furnace water – pH: 2 times per day; Range: 9–11. Phosphates: mg/L; 2 times per day; GB/T 1576-2008; Range: 5–15. Conductivity: μs/cm; 2 times per day; No specific limit specified. Steam from reaction furnace – Sodium ions: μg/L; 2 times per day; Limit: ≤15. Conductivity: μs/cm; 2 times per day. Silica: μg/L; 1 time per day; Limit: ≤20. Fe3+: μg/L; 1 time per week; Determined by o-phenanthroline titration; Limit: ≤20. Cu2+: μg/L; 1 time per week; Limit: ≤5. Steam from burning furnace – Sodium ions: μg/L; 2 times per day; Limit: ≤15. Conductivity: μs/cm; 2 times per day. Silica: μg/L; 1 time per day; Limit: ≤20. Fe3+: μg/L; 1 time per week; Determined by o-phenanthroline titration; Limit: ≤20. Cu2+: μg/L; 1 time per week; Limit: ≤5. Condensate water – pH: 1 time per day; GB/T 6904.3-93; Minimum value: ≥7. Conductivity: μs/cm; 1 time per day; Limit: ≤10
What should the conductivity value be for the boiler water in reaction reactors and incinerators?
Those without it simply don’t have assessments! Conductivity is generally used only as one of the indicators for evaluating steam quality!
Okay, thank you. So what should the conductivity of steam be? . . . :L
I’m really sorry; I had something to deal with while responding to your question and made a mistake! Conductivity is an indicator used to assess deoxygenated water and condensate water! You should be able to understand the specific indicators from the table I sent!