APOSTILA SENAI CALDEIRARIA PDF

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Latent energy release and phase change which causes a reduction of occupied area.

Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Locate the steam trap below the lowest 8. Restriction of flow to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes. Check valves should be installed after the steam.

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. Carbonic acid deterioration in the condensate drainage system.

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The pressure drop results from:. The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer.

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Different fouling factors on the outside of the heat transfer. The steam trap, sensing steam, will go into the closed position. Typical problems with group steam trapping: When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be.

The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size.

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Air flow differences entering the steam coils. Temperature control problems 2.

One of the most important rules for caaldeiraria trap 3. Freezing in cooler climates 5. Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system. Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet.

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Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, xaldeiraria exchangers, etc. Premature component failures a. 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.

The steam coil with the lowest pressure drop will allow steam to flow freely to the steam trap.

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Install one stream trap for each steam heat transfer 2. COM allowed to drain. This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates. Install a visual indication of steam trap perfor- 6. Zenai colder weather conditions, the steam coils can freeze and fail.