APOSTILA SENAI CALDEIRARIA PDF

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Premature component failures a. When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be.

Typical problems with group steam trapping: Freezing in cooler climates 5. The steam coil with the lowest pressure drop will allow steam to flow freely to the steam trap.

Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet. Carbonic acid deterioration in the condensate drainage system. Different fouling factors on the outside of the heat transfer.

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COM allowed to drain. Install a visual indication of steam trap perfor- 6.

The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer. One of the most important rules for steam trap 3.

Restriction of flow to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes. Temperature control problems 2. Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system.

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In colder weather conditions, the steam coils can freeze and fail. Assume that each steam coil is supplied with steam caldeirariw the same pressure and that caldekraria the steam coils are the same size. This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates. There are a few cases where grouping steam components to one steam trap is acceptable, but there are very few process applications where group steam trapping is acceptable.

Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc.

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Check valves should be installed after the steam. Air flow differences entering the steam coils. Locate the steam trap below the lowest 8.

Steam in the discharge line from the steam coil with the lowest pressure drop will prevent proper condensate drainage, due to the steam pressure in the condensate drainage system. Latent energy release and phase change which causes a reduction of occupied area. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: The pressure drop results from:.

The steam trap, sensing steam, will go into the closed position. The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Install one stream trap for each steam heat transfer 2.