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Closed recirculation system, open recirculation system, DC water system comparison:
DC water system
Open recirculation system
Closed recycling system
Fouling
control
1.1 a surfactant, such as
polyphosphate
1.2. Increase in acidity
1.3. Increase in pH
1.4.Other issues to consider:
surface temperature, water
temperature, cleaning system,
etc.
1.1.Emissions
1.2.surfactants, such as polyphosphate
1.3. Increase in acidity
1.4 pH adjustment
1.5 softening (other issues to consider:
surface temperature, water temperature,
cleaning system, etc.)
No need to control
Corrosion
control
1.1.low
concentration
of
corrosion inhibitors
1.2.anti-calcium
carbonate
scale coating
1.3, pH control
1.4.Suitable
manufacturing
materials
1.1.High
concentration(200~500ppm)
corrosion inhibitor
1.2.Low
concentration(20~30ppm)
corrosion inhibitor
1.3, pH control
1.4. Suitable manufacturing materials
1.1, high concentration of
corrosion inhibitors
1.2.Suitable
manufacturing
materials
Mud algae
control
1.1, chlorinated phenol
1.2. Other chemicals
1.3.
Chlorine
formed
by
hypochlorite or liquid chlorine
1.1, chlorinated phenol
1.2. Other chemical drugs
1.3. Chlorine formed by hypochlorite or
liquid chlorine
No need to control
Summary of Contents for CA0065EANR
Page 8: ...5 1 2 Main components of the unit ...
Page 15: ...12 Installation 3 Diagram of arrangement of multiple chiller units Unit mm ...
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