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There are a few ways to do this. First is manually, using a pump and a throttle (globe) valve, while watching the gage glass. second and most commonly, using a one element, or three element, or plc controled feedwater level control and an automatic (pneumatic, hydraulic or electric) feedwater control valve. Thirdly, with an injector or inspirator manually control the feedwater flow while watching the gage glass; and fourth, using a float control switch cycle the feedwater pump on and off automatically. There may be even more methods of controlling the feedwater flow but these are most common.
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What is boiler feed water pump?
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.
What is boiler feed water?
Boiler feed is the fresh or treated water to replenish the water loss though evaporation or leak
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.
If oil is mixed with boiler feed water?
If oil is mixed with boiler feed water, it can cause scaling and fouling in the boiler system, leading to reduced efficiency and potentially damaging the boiler components. It is important to prevent oil contamination of boiler feed water through proper filtration and maintenance of equipment to ensure the smooth operation of the boiler system.
What is the PH value in boiler feed water?
The pH value in boiler feed water is typically maintained between 8.5 and 9.5. This range helps to prevent corrosion and scaling in the boiler system. Regular monitoring and adjustment of pH levels are important to ensure the proper functioning and longevity of the boiler.
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
What is oxygen percentage in boiler feed water?
1ppb for O2 and CO2
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.
What has the author Percy George Jackson written?
Percy George Jackson has written: 'Boiler feed water' -- subject(s): Feed-water
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 the feed check valve of boiler?
The feed check valve of a boiler is on the line coming out of the boiler it is usually to prevent the water from going back in to the boiler its coming out of so it would build up excessive amounts of pressure which will cause the t&p valve to blow temperature and pressure
How do close formula feeds differ from open formula feeds?
The feed system cycles between boiler and turbine and enables the steam to return to the boiler as feed water. A closed feed cycles a main propulsion steam run turbine through a high pressure water tube boiler. The condenser, set to a high vacuum, will receive the steam turbine exhaust.
