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Steam Distribution

Steam channeling and distribution has always been an aspect of a firm which they often overlook. Normally the expertise requirement for proper steam requirement is quite high and that is why at the association level, we specifically tried to address this common concern. There can be various ways to properly managing steam; some of the applications are discussed in brief in under.

Steam traps
Steam generated by boilers is used in equipment and processes where it gives up its heat and condenses back to water (condensate). Efficient removal of the condensate from systems is one of the most important aspects of energy conservation. Removing condensate efficiently helps to minimize energy consumption and maximize productivity

Steam leakage
Leakage from steam lines not only wastes heat, it also causes pressure drop in the lines. The quantity of steam leaked depends on the size of the leak and on steam pressure. If visibly evident steam leakage is observed, it must be stopped.

Removal of air from steam installations
Air and other non-condensable gases such as oxygen and carbon dioxide are a natural hazard in any steam-using plant. They can slow down the rate of steam distribution, create cold spots on the heating surface, cause distortion and stressing of the plant and can be the root cause of corrosion related problems. However, it is perhaps their overall effect on heat transfer that is most important from the production point of view.

Thermal insulation
The need for efficient thermal insulation has become more important as both operating temperatures and energy costs have increased. The production, distribution and use of steam require thermal insulation to ensure that process requirements are satisfied. The first consideration is to ensure that steam generated at the boiler can be delivered to the point of use at the correct temperature and pressure. To ensure that energy loss remains within design tolerance it is essential to make the correct choice of thermal insulation system.

Condensate recovery
Steam is used very extensively as a heating medium in various types of plants—efficient use of steam is therefore the key to energy conservation. The heat energy contained in steam consists of sensible heat and latent heat, the latter only being used in most types of steam-using equipment. When steam gives off its latent heat, it condenses back to water at the saturation point. The sensible heat contained in the condensate amounts to as much as 20–30 per cent of the total heat of the steam.

Flash steam recovery
Flash steam is produced when condensate at a high pressure is released at a lower pressure. The recovery of flash steam from high pressure condensate constitutes an important area of heat saving.

For a detailed explanation of above discussed measures, following document will surely help:-

Steam Distribution

 

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