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Condensate Tank

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A condensate tank serves for collection, intermediate storage, and return of hot condensate occuring in →water-steam-cycles, for example pipeline condensate or process condensate.

Depending upon the application, a condensate tank can be designed for atmospheric operation or for pressurized operation. Condensate tanks operating at atmospheric pressure serve for recovery of low pressure condensate, which is then pumped into the →deareator. Pressurized condensate tanks serve for preservering the pressure and temperature of high pressure condensate, which – in case of sufficient quality – can often be pumped directly into the steam boiler.

Condensate tanks are a main component of heat recovery systems, together with systems for flashing and phase separation, vent condensation or direct contact heat recovery, as well as for condensate quality monitoring and →condensate polishing.

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Design Example:

condensate tank

Condensate recovery plant, consisting of condensate tank, condensate pumps, internal piping including valves and instrumentation.

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Technical Data:

storage volume available from approx. 0.5 up to 100 m³
storage time usually 15 ... 120 minutes
operating pressure ≤ 0.5 bar, atmospheric condensate tank
≤ 40 bar, high pressure condensate tank
operating temperature ≤ 111 °C, atmospheric condensate tank
≤ 251 °C, high pressure condensate tank
code for pressure vessel manufacturing • not specified, "sound engineering practice"
• EN 13445
• AD 2000
• VGB-S-110-R-00 (replacement for VGB-R 110 L)
• GOST R (export certificate for the Russian Federation)
material options pressure vessel • carbon steel (e.g. S235JR, P265GH)
• low alloy steel (e.g. 16Mo3)
• stainless steel (e.g. 1.4301, 1.4571)
pipelines • carbon steel (e.g. P235GH)
• low alloy steel (e.g. 16Mo3)
• stainless steel (e.g. 1.4404, 1.4541)
valves • brass (e.g. CW617N, CW710R)
• grey cast iron (e.g. 5.1301)
• spheroidal cast iron (e.g. 5.3103, 5.3106)
• cast steel (e.g. 1.0619)
• stainless steel (e.g. 1.4401, 1.4408)
• high-temperature steel (e.g. 1.7335, 1.7357)
gaskets • ethylene propylene diene monomer rubber (EPDM)
• polytetrafluoroethylene (PTFE)
• NBR composite
• graphite composite
steelwork • carbon steel (e.g. S235JR)
• stainless steel (e.g. 1.4301)
control options level control • electric, intermittent (on/off control)
• electric, continuous (PI, PID, or 3-point control)
pressure control • without
• mechanical, continuous (P control)
• electric, continuous (PI, PID, or 3-point control)
temperature control • without
• mechanical, continuous (P control)
• electric, continuous (PI, PID, or 3-point control)

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2018-05-05 • water treatment made in GermanyCompany InformationPrivacy