20

Mar 2017

Wet Scrubbers

Wet Scrubbers are the pollution control equipments that help in controlling the pollution by reducing the concentration of pollutants such as Sulfur dioxide (SO2) and ash content in exhaust flue gases. As the pollution norms are getting stringent and government is making sure that pollution laws are being implemented, many industries are coming up with various solutions and strategies for reducing the pollution and its management. One such solution is…

Dry Bottom Boiler A dry bottom boiler – The burner fires in the base of the boiler and it warms beneath the water some portion of the boiler. No slag tanks at heater throat zone. The throat range is clear. Base fiery remains drops through the throat to the base powder water containers. This plan is utilized where the slag dissolving temperature is more noteworthy than the temperature on the…

10

Mar 2017

What is Boiler?

What is Boiler? A boiler is defined as “a closed vessel in which water or other liquid is heated, steam or vapor is generated, steam is superheated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of energy from the combustion of fuels, from electricity or nuclear energy”. Furnaces compatible to solid fuels(wood/coal/briquettes/petcoke/rice husk) and liquid fuels (LDO/Furnace oil) and Gaseous Fuels…

Chimney Chimney, as we know, is used to reject the flue gases to the atmosphere, coming from the Steam Boiler during operation. Also, it is a mega structure in Steam Boiler assembly and any discrepancy in its structural and foundation work can cause extremely serious damages, may even lead to casualties or plant shutoff till its re-erection. The designer must consider all the factors while designing chimney and one of…

What is Mobrey? Mobrey is the name used for the Automatic water level controller; it comes under the category of mountings and fittings of Steam Boiler Assembly. As the name suggests, it is used for maintaining the water level in the Boiler shell. Mobrey is mostly used in smoke tube steam boilers not in water tube boilers, as the shell diameter of the former is greater than that of latter…

Forced Draught Fan is a type of a fan supplying pressurized air to a system. In case of a Steam Boiler Assembly, this fan is of a great importance. As we know, for a Steam Boiler to generate steam, combustion must occur, be it any fuel (wood/coal/rice husk/pet coke/LDO/Furnace oil) and for combustion to exist one of its three main requirement, is the air. And this requirement is compensated by…

In winters, human bodies shiver, so we insulate ourselves by wearing woolen clothes. A boiler in operation doesn’t shiver to maintain its internal energy, even if it did, it would have been highly undesirable keeping in mind the impacts of vibration in a system. Ambient temp being extremely low, so the temperature difference between human body and ambient, is large. This enhances the heat transfer between them, this woolen insulation…

As we all know, the air pollution norms are getting stricter with every day passing by. So it becomes quite obvious to install and commission an air pollution control device. One such air pollution control equipment is the Bag Filter. Bag Filter helps in separating the particulate matter from the flue gas coming out of the Boiler. Most common type of Bag Filter is Pulse jet type. Pulse jet bag…

06

Feb 2017

Boiler Aging

Boiler Aging Like humans, even Steam Boiler ages with time. And it is very essential for one to be aware of the changes that Boiler goes through with time. Life cycle of Steam Boiler components are governed by magnitude of stress, variation in operating parameters, chemical regime during its service life and suitability of materials to sustain those conditions. IBR Regulation – 391 A As per IBR Regulation – 391…

Fluidized bed combustion (FBC) is a combustion technology used to burn solid fuels. A bed of solid particles is said to be fluidized when the pressurized fluid (liquid or gas) is passed through the medium and causes the solid particles to behave like a fluid under certain conditions. Fluidization causes the transformation of the state of solid particles from static to dynamic. Fluidized Bed Combustion is the ignition of a…