The boiler adopts an environmentally friendly combustion method - full premixed combustion, and the gas and air are precisely adjusted and premixed in advance to ensure more complete combustion.
The boiler adopts a double-drum longitudinal "D" type arrangement structure; water, steam or steam-water mixture flows in the pipe; flame burns and flue gas flows outside the pipe, forming extremely fast steam-water.
If maximum permissible limit of TDS as in a package is 3000 ppm percentage make up is 10% and TDS in feed is 300 ppm then the percentage blow down is given as: = 300 x 10/ 3000 = 1% If evaporation rate is 3000 kg/hr then required blow down rate is:
The composition of feed must be such that the impurities in it can be concentrated a reasonable number of times inside the without exceeding the tolerance limits of the particular design If the feed does not meet these it must
for feed design and include maximum tolerance levels of alkali salt silica phosphates and other elements
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