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Boiler feed pumps are an important part of any boiler operation. They control the amount of water fed to the boiler and the manner in which it is fed.
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What is digester feed pump?
A digester feed pump forces water to a boiler. It works by transferring cool water to the boiler to be heated.
What is the use of boilerfeed pump?
The boiler feed pump pumps hot feedwater into the boiler. The boiler pressure is to high for water to flow into it by gravity, so a pump is required.
What is Boiler feed pump?
Function - It adds the pressure to the feed water before it entyers into boiler feed pump suction Advantage - Ensures high margin NPSH A for boiler feed pump spinning at high rpm (5250Rpm) Drive for booster - Normally @1450 rpm Type of impeller- Mostly preferred Double suction
In boiler feed water line whether a non return valve should precede or succeed the delivery valve of feed water pump?
In boiler feed water line the NRV is normally installed between Pump and stop valve if the line is short and an another NRV is installed at boiler entrance and after stop valve if the line is long or pump is 10 to 15 m away from the boiler.
How do you calculate Boiler feed pump efficiency?
Pump efficiency can not be taken as given.
What is float in boiler feed pump?
it is 500N
What is the PH value in boiler feed water?
the pH value in boiler feed water is 9.2
What is boiler feed water?
Boiler feed is the fresh or treated water to replenish the water loss though evaporation or leak
What is the Use of Balancing line in Boiler feed pump?
Boiler feed pump's suction pressure be aprox. 15Kg/cm2 and discharge pressure be 180Kg/cm2. So the balancing line balance the pressure and protect the boiler feed pump. my quastion is that what is the working principal of balancing leak off
What is TDBFP?
TDBFP = Turbine Driven Boiler Feed Pump
What is the use of recirculation line in boiler feed pump?
A recirculation line in a boiler feed pump is used to return part of the pumped water back to the inlet of the pump. This helps to prevent cavitation and maintain a steady flow of water through the pump. Cavitation is a phenomenon that can occur in pumps when the pressure of the water being pumped drops below the vapor pressure of the water. When this happens, bubbles of vapor can form in the pump, which can cause damage to the pump and reduce its efficiency. The recirculation line helps to prevent cavitation by returning part of the water that has been pumped back to the inlet of the pump. This increases the pressure of the water at the inlet, which helps to prevent the formation of vapor bubbles. As a result, the pump can operate more efficiently and reliably. Overall, the use of a recirculation line in a boiler feed pump helps to prevent cavitation and maintain a steady flow of water through the pump. This can improve the performance and reliability of the pump.
When the circulation of water in a boiler is by a centrifugal pump then the boiler is known as?
externally fired
