APOSTILA CALDEIRARIA SENAI PDF

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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.

Boas práticas instalação de purgadores

Install a visual indication of steam trap perfor- 6. Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet. The pressure drop results from:. Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Temperature control problems 2. Install one stream trap for each steam heat transfer 2. Locate the steam trap below the lowest 8. Carbonic acid deterioration in the condensate drainage system.

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The steam trap, sensing steam, will go into the closed position. One of the most important rules for steam trap 3.

Three steam heated coils; the steam coils are separate units, or caldiraria separate parts of one air heating system. Freezing in cooler climates 5.

Boas práticas instalação de purgadores

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.

The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Different fouling factors on the outside of the heat transfer.

The steam coil with the lowest pressure caldeirafia will allow steam to flow freely to the steam trap. Air flow differences entering the 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. The condensate, having only sensible energy, will reduce the steam coil performance and apostkla some cases cause water hammer. COM allowed to drain.

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

When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be. 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. Typical problems with group steam trapping: Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc.

In colder weather conditions, the steam coils can freeze and fail. Premature component failures a.