6. According to Pressure of steam generated. Low-pressure boiler: a boiler which produces steam at a pressure of 15-20 bar is called a low-pressure boiler. This steam is used for process heating. Medium-pressure boiler: It has a working pressure of steam from 20 bars to 80 bars and is used for power generation or combined use of power
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Steam boilers tend to be steel water-tube- or fire-tube-type boilers in the 10-to-1,000-hp range. Fire-tube boilers are more robust and more tolerant of poor water quality, but require more physical space, than water-tube boilers. Regardless of boiler type, water quality is a critical aspect of implementing and operating an efficient steam plant.
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So, to generate more steam, steam boilers are classified as water tube and fire tube boilers. The water tube boiler generates more steam of high pressure whereas a fire tube boiler generates steam of low pressure. We will discuss the fire tube boiler, different types of firetube boilers, defects, and uses. Fire Tube Boiler
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IPP offer many different types of Steam Boilers including Fire Tube, Economizers, Hot Water Heaters, Waste Heat, and Water Tube Boilers. Boilers are used to create steam or hot water for process plant applications. Certain plants use steam or hot water (vs. a thermal fluid) to heat their reactors and heat exchangers for cooking their products.
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Boilers are used in power plants in order to produce high pressured steam, so that the plant can generate electricity.The process that does this is known as the Rankine cycle.The boiler takes in energy from some form of fuel such as coal, natural gas, or nuclear fuel to heat water into steam.All but a small fraction of the world's primary energy comes from fuels, and about three-quarters of
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BASE OF CLASSIFICATIONBASE OF CLASSIFICATION TYPESTYPES 1. Content of the tubes a) Fire tube b) Water tube 2. Steam pressure a) High pressure b) Low pressure 3. Type of water circulation a) Natural circulation b) Forced circulation 4. Use a) Stationary boilers b) Mobile boilers (Locomotive, Marine) 5. Position of axis a) Horizontal b) Vertical 6.
Get a QuoteSpray type deaerator is used when feedwater need to be heated in advance by using steam as heater. As the Figure 1 below, the steam flow into spray type deaerator will break water into small pieces resulting in gases that dissolve in water being forced out so that the concentration of oxygen in the water decrease.
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A steam boiler is designed to absorb the maximum amount of heat released from the process of combustion. There are three way (Radiation, convection & Conduction) that heat is transfer in the boiler and relative percentage of each heat transfer within system boiler is dependent on the type of steam boiler, fuels and the designed transfer surface. 1.
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An increase in the boiler pressure is in the result limited by material of the reactor pressure vessel. The case of the increase in the average temperature at which energy is added by heat transfer, requires either a superheating of steam produced or an increase in the pressure in the boiler (steam generator).
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According to fuel material, steam boiler type have: LPG steam boiler, palm oil steam boiler, rice husk steam boiler, and oil steam boiler etc. Application of steam boilers: Steam boilers are used widely in hotels, also where steam and hot steam is needed. Hence, steam boilers are used as generators to produce electricity in the energy business.
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In a firetube design, a steam boiler is a pressure vessel comprised of a large shell in which the hot gases of combustion pass through one or more boiler tubes connected to the front and rear boiler sheet. The most common firetube type is the scotch marine firetube boiler, which utilizes a large furnace tube and many smaller boiler tubes.
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Steam boiler efficiency includes thermal efficiency, combustion efficiency & fuel to steam efficiency. Steam boiler efficiency depends upon many factors which include the size of boiler, type of the boiler, design of the boiler etc. Classification of steam boiler. Based on their design and construction, steam boilers are mainly classified as
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Types of water circulation in industrial steam water tube boilers: Water circulation in boiler can be classified in three different types of systems. Natural Circulation; Controlled Circulation; Combined Circulation #1.Natural Circulation In Boiler: Boiler feed water which is pumped with high pressure boiler feed water pumps first reaches at
Get a QuoteThere are two main types of boiler deaerators: tray-type, or cascade-type deaerators, and spray-type deaerators. The tray type features a vertical section that is domed and mounted to the top of a horizontal tank that stores the water for the boiler. The spray type is a cylindrical tank that both deaerates the feed water and stores it.
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There are two basic types of boilers: firetube and watertube. The fundamental difference between these boiler types is which side of the boiler tubes contain the combustion gases or the boiler water/steam. Firetube Boiler. In firetube boilers, the combustion gases pass inside boiler tubes, and heat is transferred to water between the tubes and
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