Mô tả
Description
For the safe operation of steam boilers the analysis of
boiler water, boiler feedwater and condensate is of great
importance. Accurate and true analytical findings require
correct sampling methods and properly working analytical
instruments.
A water sample can be taken from a steam boiler, a steam
regenerator, a feedwater tank or a condensate receiver tank.
For example, if hot uncooled boiler water is taken from a
steam boiler for analytical purposes, the risk of accidents for
operating personnel will be higher and errors in the water
analysis due to flashing will occur. Some of the uncooled
boiler water flashes off as flash steam and, as a consequence, the density of the sample will appear higher and
does not represent the true salt content (TDS value) of the
boiler water. The increased concentration of non-volatile
solids in the sample results in an incorrect water analysis
and, consequently, excessive boiler blowdown. The GESTRA
sample cooler PK 40 is designed to safely cool down the
boiler water sample to a reference temperature of 25 °C.
As a result a true sample is obtained and the TDS value,
pH value and oxygen content truly corresponds to the boiler
water. The PK 40 is supplied as an assembled unit ready
for installation.
All continuous blowdown valves BA(E)… from GESTRA are
equipped with a sampling valve to which the sample cooler
PK 40 can be connected
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