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What is boiler feed water?
Boiler feed is the fresh or treated water to replenish the water loss though evaporation or leak
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.
Why is it important to maintain a gas-free condition in the boiler feed water?
Maintaining a gas-free condition in boiler feed water is crucial to prevent corrosion and scaling within the boiler system, which can lead to decreased efficiency and increased maintenance costs. Dissolved gases, especially oxygen and carbon dioxide, can cause pitting and other forms of corrosion in metal components. Additionally, gas bubbles can impair heat transfer, reducing the overall performance of the boiler. Ensuring the feed water is free of gases helps extend the lifespan of the boiler and improve operational reliability.
What Amine do in boiler water?
Amines are used in boiler water primarily as oxygen scavengers to prevent corrosion in the boiler system. They react with dissolved oxygen to form harmless byproducts, thereby reducing the risk of pitting and other types of corrosion in boiler components. Additionally, some amines can help maintain pH levels and improve overall water quality, enhancing the efficiency and longevity of the boiler.
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.
Why C4H9No is better than ammonia treatment for boiler feed water?
C4h9no is not remove gases only boost ph.
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 could be the reason of sudden fall of pH in boiler?
Making up feed with water having low PH. Feed water getting contaminated with sea water, greese, fatty/fuel oils, CO2, 02 can cause water to become acidic leading to boiler corrosion as well as redusing it PH value. Lot of leakage will also cause more make up water and if regular blow down is not carried out, will cause increase in total disolve solides, thus reducing PH. Also if boiler water treatment is not carried out properly can result in drop in PH.
Why morpholine dosing better than ammonia dosing in boiler feed water?
Morpholine is often preferred over ammonia for dosing in boiler feed water because it has lower volatility, lower potential for corrosion, and it offers better pH stability. Additionally, morpholine provides effective protection against both acidic and alkaline corrosion in the boiler system, making it a more versatile and reliable option compared to ammonia dosing.
What is pH value of deionized water?
generally pH of d.m water i.e. out from mixed bed exchanger is 6-7.5. but the boiler feed water criteria is different. hence before feeding to the boiler again pH and electrolites checked.
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 chemical composition of boiler pH booster?
Boiler pH boosters typically contain chemicals such as sodium hydroxide (NaOH) or tri-sodium phosphate (Na3PO4) to raise the pH of the water in the boiler system. These chemicals help to prevent corrosion and scale formation in the boiler by maintaining the water in the system at an optimal pH level.
Why do you inject phosphate in boiler feed water?
Phosphate is injected into boiler feed water to control scale formation and corrosion inside the boiler system. Phosphate forms a protective layer on metal surfaces to prevent scale buildup and reduces the risk of corrosion, improving the overall efficiency 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
