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Some Important High Pressure Boilers

Steam Boiler Questions and Answers

2019-10-1 · Boiler Questions and Answers. Question: Boiler pressure In tanker vessels we use boilers for cargo heating. Lets say that steam pressure to deck line adjusted to 5 bar. Way is the high pressure leg of the transmitter connected to the water side and the low-pressure leg connected to the steam side?

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High Pressure Boilers: Harold J. Frost: 9780826943163

This book has been very helpful to me, in the transition phase I'm experiencing between military marine boiler technology and terms for high pressure boilers as opposed to civilian shore based steam plants and boilers. Basic principles are the same, but terms for familiar items are different, which is the reason for buying this book.

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Boiler Pressure Problem #1 Best HVAC

Boiler Pressure Problem - Hello, where I live, it's mostly gas furnaces with air conditioners or heat pumps.My boiler just started causing problems with high pressure. I work in HVAC as a technician but do not have a lot of experience with hot water or steam boilers.

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What is a Boiler? Different Types of Boiler -

Boilers can be classified in different basis but here I am discussing the only important basis of boiler classification. the water circulation takes place with the help of a centrifugal pump driven by some external power. Here the circulation is forced by some external agency. Forced circulation is used in high pressure boilers such as La

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Some Criteria for Choosing a Steam Boiler - Rite Boilers

2016-6-9 · direct correlation between steam pressure and temperature. 10 PSI steam equates to 240o F (115o C)and 15 PSI steam = 250o F (121o C). 12-14 PSI is where most low pressure boilers operate. By contrast, a high pressure boiler can produce up to 150 PSI steam at about 365o F (185o C). High pressure boilers are more expensive and they require higher

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Why is phosphate dosing done in a boiler? - Quora

Phosphate is doing interesting job in Boiler. It works as an anti-scalant since phosphate react with calcium hardness to create suspended solids (which is easier to discharge via blowdown) in order to prevent any calcium carbonate (CaCO3) /calcium

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Explain the important features of high pressure boilers

Explain the important features of high pressure boilers used in power plants? Answer. Wiki User April 22, 2013 11:06PM. 1) Methods of circulation of water and Steam.

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High pressure boilers (1) - SlideShare

Thus, a boiler operation at high pressure will require less heat addition for steam generation. 3.1 Features of High pressure Boilers High-pressure boilers have the following features: Forced circulation of water – in all modern high-pressure boilers, the force circulation of water is maintained with the help of pumps.

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Power Plant Interview Questions amp; Answers

2019-12-12 · The high-pressure boilers are used to increase the efficiency of the plant and to reduce the cost of electricity production. 21. State important advantages of high-pressure boilers? The amount of scale formation is less, since the velocity of water through pipes are more. All parts of the system are heated uniformly, so there is no danger of

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An overview of problems and solutions for

In water tube boilers, the water to be heated flows in the tubes and the combustion gases flows around the tubes, thus converting the water into steam. These types of boilers are used where high steam and pressure are required. The capacity of these boilers varies from 4500 to 1,20,000 kg/h 3, 4.

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Water Handbook -Boiler Deposits: Occurrence And

2019-12-10 · High-pressure boilers usually have areas of high heat flux and feedwater, composed of demineralized makeup water and a high percentage of condensate returns. Because of these conditions, high-pressure boilers are prone to caustic attack. Low-pressure boilers that use demineralized water and condensate as feedwater are also susceptible to

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Explain the important features of high pressure boilers

Explain the important features of high pressure boilers used in power plants? Answer. Wiki User April 22, 2013 11:06PM. 1) Methods of circulation of water and Steam.

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Water Handbook -Boiler Deposits: Occurrence And

2019-12-10 · High-pressure boilers usually have areas of high heat flux and feedwater, composed of demineralized makeup water and a high percentage of condensate returns. Because of these conditions, high-pressure boilers are prone to caustic attack. Low-pressure boilers that use demineralized water and condensate as feedwater are also susceptible to

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OPERATIONS AND MAINTENANCE MANUAL

2018-4-9 · important to keep the vent pressure at a negative and it is even more important that the pressure is no more negative than -0.05" wc. For example, a negative pressure such as -0.10" wc, could cause the burner flame to be pulled up into the firetubes, effectively over firing the boiler, which could lead to water surging and wet steam.

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Boiler Pressure - an overview | ScienceDirect Topics

17.3 High pressure hot water. Whereas hot water systems will normally operate at boiler pressures between 50 kPa and 300–400 kPa, high pressure hot water systems are used for industrial applications with pressures up to 2000–2500 kPa. The boiler construction is as for steam boilers, but the water line is held higher and the pipe system is

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Which type of safety valves are used in a high

Given that maintaining optimal pressure is key to ensuring the best performance of a boiler system, it is important to choose just the right pressure relieve valves for safety. Of course, it is important to check with the safety regulations in you

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Water Softener | CleanBoiler.org

Water Softener and Demineralization Introduction. The removal of impurities, such as calcium, magnesium, iron and silica which can cause scale, is known as water softening or demineralization. for high pressure boilers for example, then demineralization is required. Some dealkalizers add a small amount of caustic during the regeneration

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Boiler (power generation) - Wikipedia

2019-11-28 · A boiler or steam generator is a device used to create steam by applying heat energy to water.Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.

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Important Questions and Answers: Power Plants and

8. Write about Benson boiler? State some important advantages of Benson boiler? Benson boiler is the high pressure, vertical fire tube boiler. This boiler has no drum and is ~designed to operate at critical pressure of 225 bar. Benson boiler has no drum. So the total weight of the Benson boiler is reduced by-20%, when compared to other boilers.

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Boilers High Furnace Pressure - Specific causes

As furnace pressure increase is one of the indications for boiler explosion boiler operating engineers and all concerned must view increase in furnace pressure very critical and take corrective action and ensure safety. High furnace pressure is a direct indication of disturbance in combustion performance. The rate of change in the furnace pressure can vary very much, that is from a simple

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