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How many pounds of pressure does low pressure boiler operate on?
A low pressure boiler is any boiler 15 psi or lower
What is boiler distortion and erosion?
Boiler distortion occurs when the pressure and temperature gradients in a boiler cause its components to deform or bend. Erosion in a boiler happens when high-velocity steam or water causes surfaces to wear away. Both issues can reduce the efficiency and integrity of the boiler, leading to potential safety hazards.
What is the calculation of sodium and phosphate ratio for high pressure boiler?
The calculation for the sodium to phosphate ratio in high-pressure boilers is typically expressed as Na:PO4. A common ratio is 3:1, meaning for every 3 parts of sodium present, there is 1 part of phosphate. This ratio helps to prevent scale formation and corrosion in the boiler system.
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 the purpose of phosphate dosing in AFBC boilers?
Generally the Phosphate dozing is done in the drum of the boiler. it helps to convert the calcium hard salts to soft sludges. the sludges are higher in weight ,so it comes to the bottem of the drum . then it remove by CBD. this is one of the way of avoiding corrosion in Boiler. Vijay RAMCO
What is Maximum Allowable Working Pressure Calculations?
The ASME Boiler and Pressure Vessel Code details all the various calculations necessary to determine the MAWP of any pressure vessel.
How is boiler spring loaded safety valve works?
when the pressure increases over the maximum allowable working pressure of the vessel, the valve will open to protect against overpressure.
How the back pressure in a boiler calculated?
This question can't be answered. It is unclear what you mean by back pressure. Maximum Allowable Working Pressure in a boiler is calculated using the rules for construction of high pressure boilers and construction of heating boilers in the ASME Code sections 1 and 8.
What is Maximum Allowable Working Pressure definition?
The Maximum Allowable Working Pressure (MAWP) is used to rate components, steam drums, piping, tubes, boilers and any other pressure vessel in a hydraulic system. The reason this is so important can be seen easily in steam systems. The temperature that a fluid boils increases as pressure increases and decreases if pressure decreases. What this means is if you are running a boiler at 200 psi the water will boil around 387 degrees F. If it is creating steam this is the minimum temperature. If the boiler cracks and the pressure drops to atmospheric pressure, water would boil at 212 degrees F. This creates superheating or heating passed the boiling point. This will create Flash steam and cause an explosion. The MAWP rating is to decrease the chances of this happening.
Why pitting is dangerous?
In a boiler, pitting is dangerous because it weakens the boiler plate by reducing its thickness and strength. A pit that reduces the boiler plate thickness (at its weakest point) to 1/4 of the original thickness will fail at its Maximum Allowable Working Pressure. The weakest point is typically at the longitudinal joint (welded or riveted boilers) and pitting, grooving and cracking at this joint is closely monitored in all boilers.
What is the working principle and construction of lamont boiler?
lamont boiler is high pressure boiler & it'swork on high pressure at constant temprature
What is the max pressure and capacity in fire tube boiler?
the maximum pressure and the capacity in the fire tube boiler are usually depends on the model design and specified by the manufacturers in the manufacturer manual.
Boiler steam pressure?
Boiler steam pressure refers to the force exerted by steam within a boiler, measured in units like PSI or bar. This pressure level is essential for efficient energy transfer and controls the temperature and flow of steam in heating systems, turbines, and other applications.
How boiler feed valve works?
There are automatic boiler feeder and manual feeds and depending on the desired working pressure required that would determine the "SET" pressure of the feeder
What is the range of a safety valve settings for a boiler operation at 1000 psi?
There is no range on a safety valve. It lifts and relieves at whatever it`s setpoint is. As for the setpoint, it would be just above the maximum working pressure/temperature of the water side of the boiler as stated on the National Board Tag of the vessel.
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 makes a boiler lose water pressure?
A leak on the return or supply lines and the automatic feeder is not working
