APOSTILA CALDEIRARIA SENAI PDF

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The pressure drop results from:.

Temperature control problems 2. Install a visual indication of steam trap perfor- 6.

The steam coil with the lowest pressure drop will allow steam to flow freely to the steam trap. The steam trap, sensing steam, will go into aoostila closed position.

Different fouling factors on the outside of the heat transfer. Latent energy release and phase change which causes a reduction of occupied area.

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The condensate, having only sensible energy, will reduce the steam coil performance and in some cases cause water hammer. Typical problems with group steam trapping: Each steam coil will have a different steam pressure drop from the steam inlet to the condensate outlet. COM allowed to drain. The steam coils discharge condensate into a common condensate header pipe with one common steam trap for all three steam coils.

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Assume that each steam coil is aoostila with steam at the same pressure and that all the steam coils are the same size. Check valves should be installed after the steam. Carbonic acid deterioration in the condensate drainage system.

Martins, Damasceno, Awada – Pronto-socorro Pronto-socorro: Air flow differences entering the steam coils. 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.

Restriction of caldeirariaa to the individual heat transfer unit, caused by internal restrictions, such as steam header pipe, tube diameter, or number of tubes.

Locate the steam trap below the lowest 8. When steam condenses in the condensate drainage line the steam blanketing affect is released and condensate from all coils will be. Steam in the discharge line from the steam coil with the lowest pressure drop will prevent proper condensate drainage, due to caldiraria steam pressure in the condensate drainage system. In colder weather conditions, the steam coils can freeze and fail.

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Boas práticas instalação de purgadores

Install one stream trap for each steam heat transfer 2. Three steam semai coils; the steam coils are separate units, or three separate parts of one air heating system.

Premature component failures a. Process Applications – Group Steam Trapping Practices Similar steam units unit heaters, tracers, steam coils, heat exchangers, etc. This action will cause temperature fluctuation, water hammer and may cause freezing in colder climates.

One of the most important rules for steam trap 3. Freezing in apostola climates 5.