Steam boiler system
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United States of America Patent
Stats
-
Jul 3, 1990
Grant Date -
N/A
app pub date -
May 25, 1989
filing date -
Nov 25, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A steam boiler having a water blow down in which the blowdown rate is automatically controlled in response to the flow rate and impurity level of the make up water so as to maintain the boiler water impurity level below a specified concentrations.
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Cited Art Landscape
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