Remote Boiler Level Indicator

Remote Boiler Level Indicator is suitable for knowing Level of Water in Boiler Drum at Operating Floor Level. A Transparent type Level Gauge with Illuminator at back side is fitted at Operating Floor Level with upper side piped to Steam Side of Boiler Drum through Front Dirt Trap and Condensation Pot and Lower Side piped to water side of Boiler Drum through Back Dirt Trap and Bottom Dirt Separator. Level of Red Liquid (does not mix with condensate water and is heavier than water a Specific Gravity 1.6 approximately) inside the transparent Level Gauge indicates the level of water in Boiler Drum. The Condensation Pot, with a Barrier inside ensures a constant head of water on front side of Level Gauge and applies pressure = P + h + h1 (See Fig.) where P is the Steam Pressure inside Boiler. Pressure applied to Back side of Level Gauge is P + h + h2 . As h1 is constant, the level of Red Liquid is proportional to h2 (Red Liquid Level is Lower when Boiler Drum water Level is Lower and Vice versa).

When Indicating Scale is provided on the Level Gauge it is normally Specific Gravity Corrected (height water in Boiler Drum is to be divided by Red Liquid Specific Gravity to get height of Red Liquid). The scale normally has centre a Oa , with a Oa Corresponding to Drum Centre Line.

Bottom Dirt Separator with Baffle Plates and Front and Back Dirt Traps with double Tube arrangements inside and draining arrangements are designed to ensure that Dirt do not go inside Level Gauge.

Rem