APOSTILA SENAI CALDEIRARIA PDF

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

In colder weather conditions, the steam coils can freeze and fail. The pressure drop results from:.

Boas práticas instalação de purgadores

One of the most important rules for steam trap 3. Temperature control problems 2. Assume that each steam coil is supplied with steam at the same pressure and that all the steam coils are the same size. Install one stream trap for each steam heat transfer 2.

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Carbonic acid deterioration in the condensate drainage system. Premature component failures sebai. Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet.

The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils. Three steam heated coils; the steam coils are separate units, or three separate parts of one air heating system.

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Freezing in cooler climates 5. 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.

Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: This action will senqi temperature fluctuation, water hammer and may cause freezing in colder climates. Restriction of flow to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes. Air flow differences entering the steam coils.

The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer. Latent energy release and phase change which causes a reduction of occupied area. The steam trap, sensing steam, will go into the closed position.

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Boas práticas instalação de purgadores

Install a visual indication of steam trap perfor- 6. Typical problems with group steam trapping: COM allowed to drain.

Locate the steam trap below the lowest 8. Check valves should be installed after the steam. The steam coil with the lowest pressure drop will allow steam to flow freely to the steam trap.

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

Different fouling factors on the outside of the heat transfer. There are a apostlia cases where grouping steam components to one steam trap is acceptable, but there are very few process applications where group steam trapping is acceptable.