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What is the Function of economizer in boilers?
Basically . economiser is located in between exit of boiler and entry of air preheater. when the flue gases are coming out from boiler they take away a lot of heat. economiser utilize this heat from flue gases. and these heat is used to heat the feed water which is going to feed the bolier. hence by using economiser the coal consumption required to heat the feed water is reduced hence cost reduced.
Is boiler and furnace are same?
No, furnaces are forced air heat. Boilers are hot water heat.
What is marine boilers?
boilers which are used in ships called as marine boliers.
How do you bleed air from heating pipes on boiler?
There is a key similar to those on radiators on the boilers than can be turned round with an adjustable wrench etc.
How do condensing boilers work?
Condensing boilers are designed to increase energy efficiency by using the wasted heat from flue gases to heat water up before it even reaches the main boiler. These boilers are very energy efficient and are mandatory or preferred in many countries.
How do you calculate the flue gas velocity in airpreheater?
To calculate the flue gas velocity in an air preheater, you would need to know the volumetric flow rate of the flue gas passing through the preheater and the cross-sectional area of the preheater. You can then use the formula: Velocity = Volumetric flow rate / Cross-sectional area of preheater. This calculation will give you the velocity at which the flue gas is moving through the air preheater.
How much quantity of secondary air is feeding to the kiln tube and tertiary air duct?
Depends on your preheater, but in a modern preheater plant you will often feed 60% in the TAD and 40% in the kiln. KK
Do boilers use water?
boilers sometimes do use water only for cleaning and drying clothes
What is the meaning of air-preheater in thermal power plant?
A thermal power plant is more efficient when energy can be captured for reuse. Air coming into the combustion are ignites the fuel more efficiently when it is hot. Air leaving the combustion area looses some of its heat to the steam system, but a significant portion of the energy is lost with the exhaust gases. The preheater takes these two energy conditions (one area needing heat and one having "lost" heat) and combines them in a heat exchanger (preheater) where the heat from the exhaust gases is used to warm the incoming combustion air.
What is turn down ratio of oil fired boilers?
it is ratio of maximum air to minium air
What does the preheater in an engine do?
The preheater warms up the engine so it will start easier and in freezing weather will help to avoid freezing of the coolant.
What should be the rang of temperature of flue gas at outlet of air preheated?
The ideal range of temperature for flue gas at the outlet of an air preheater is typically between 250°C to 350°C. This range allows for efficient heat recovery from the flue gas while ensuring that the temperature is not too high to cause damage to the preheater or downstream equipment.
Why not soot blowing performed of air preheater?
Soot blowing is done in air pre heater by a blower called swing blower which is different from half retractrable or full retractable or deslagger.
What do most homes use for heating?
Most homes use either a furnace or a boiler for heating. Furnaces heat air and distribute it throughout the house using ductwork, while boilers heat water, which is then circulated through radiators or baseboard heaters. Some homes also use heat pumps or wood stoves for heating.
What has the author S Drosjack written?
S. Drosjack has written: 'Maryland industrial boilers emissions report' -- subject- s -: Pollution, Flue gases, Air, Boilers, Measurement
What are some critics' ideal boilers?
There are many ideal boilers for critics. Some ideal boilers for critics include the Buderus boilers, the ORLAN boilers, and lastly the Crown Boiler company boilers.
What is the Function of economizer in boilers?
Basically . economiser is located in between exit of boiler and entry of air preheater. when the flue gases are coming out from boiler they take away a lot of heat. economiser utilize this heat from flue gases. and these heat is used to heat the feed water which is going to feed the bolier. hence by using economiser the coal consumption required to heat the feed water is reduced hence cost reduced.
