What is a steam boiler and what is its use

One of the most important equipment of in industrial facilities is the steam boiler, which is responsible for generating steam for industrial purposes and some facility systems. The boiler is actually an energy transfer or conversion system in which the energy stored in fossil fuels such as gas, diesel, or diesel is converted into thermal energy. This device includes a closed combustion chamber where liquids are subjected to high temperature and pressure and turn into steam with high pressure.
Steam boilers are used in various industries with various temperatures, pressure, and applications. We intend to give you detailed information in response to questions such as: what is a steam boiler, its use, how it works, its types, components, and benefits, so stay with me in this article about what a steam boiler is and what it is used for.
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How the boiler works

steam both directly through the fuel consumed (coal, gas combustion, diesel, wood, etc.) or by using clean energy such as solar, nuclear, etc., and indirectly such as recycling Combined heat can be produced in processes or even equipment (gas turbine).

Types of boilers

In general, steam boilers are divided into the following 2 categories:

• Fire tube boiler
• water tube boiler

Of course, by using clean energies such as solar and nuclear energy in the relevant equipment (nuclear reactors), it is possible to produce superheated steam in large comparisons.

How a fire-tube boiler works in a tube

In this type of boiler, steam production takes place through the combustion of fuel in the furnace, and the fire or the combustion gases that pass through the second and third pass pipes transfer their heat to the water through the body of the pipes and the furnace. They turn it into steam. These steam boilers are used in food and sugar industries, hospitals, rubber industries, etc., and the working pressure of super heat steam required in such industries is usually from 10 bar to 25 bar maximum.

How the water-tube boiler works in the tube

In the water tube boiler, the water flows in the connecting pipes between the upper drum and the lower drum and by receiving thermal energy from fuel combustion through radiation in the furnace and moving it to other parts, it turns into steam. These boilers (water-tube) are used in industries such as refineries and power plants when capacities higher than 100 to 1000 tons of steam per hour and higher work pressures of 30 bar (up to 200 bar) are needed.

Boiler components

The boiler components are generally as follows:

• The main body of the boiler
• Furnace (fireplace) boiler
• smoke pipes (pass two)
• smoke pipes (pass three)
• combustion chamber
• smoke room
• Back smoke room
• chassis
• shell
• torch
• feed pump
• Inlet water supply
• Steam outlet valve
• Safety valve
• Control tube
• Single-stroke drain valve
• Instrument set
• pressure switch
• Manometer

Boiler supplements

Steam boilers, apart from the ones mentioned above, need other requirements, some of which are mentioned below.

Economizer

Economizer is used as heat recovery and feed water preheating to increase boiler efficiency and reduce device corrosion caused by low temperatures.

superheater

Superheaters are used to increase the temperature of steam leaving the boiler and increase efficiency.

softener

Hardener is used to separate two elements calcium and magnesium from boiler feed water. If these two elements are not separated from the feed water, something similar to the depositing of the kettle in the body and tubes of the boiler will occur.

Deaerator

In order to prevent the process of corrosion of steam boilers, the water of the boiler should be alkaline and reductive. To ensure this issue, oxygens dissolved in the feed water of the boiler should be removed through the deaerator.

Performances of steam boiler

As you know, the use of steam boilers is diverse. For example, small steam boilers are used to disinfect sheets and blankets in the lingerie department of hotels and hospitals or to clean and disinfect clothes in dry cleaners. If steam is used as a source of power production, steam can be used in the oil and gas industry, especially in the feed line of power plant steam turbines.

Here are some of the common applications and uses of steam in industries.

• Food industry
• printing industry
• Beverage industry
• chemical industry
• Pharmaceutical industry
• And...

Advantages of the boiler

Steam boilers have a wide range of advantages, below are a few of them:

• The variety in the capacity, type, and working pressure of this equipment has made it possible for you to order it in the required capacity.
• The steel material of the device increases its efficiency and lifespan.
• Fuel combustion efficiency in steel boilers is higher than in cast iron.
• Various types of fuel can be used for the combustion of steam boilers.
• Steam boilers can withstand high pressures.
• And...

You can also read the article TYPES OF ENGINE ROOM BOILERS AND THEIR COMPARISON for more information.

Conclusion

Steam boilers are introduced as advanced equipment in which the water inside them is converted into high-pressure steam by using the heat from the combustion of the fuel used in the boiler, and they are used in different industries with different users.

Final speech

Damatajhiz specialized collection (the first and most reliable source for buying construction equipment and all air conditioning devices, since 2013 and has 3 valid business licenses), all kinds of steam boilers and hundreds of other products with the guarantee of the originality of the goods, after-sales service, from the sales warranty Provide reliable and reasonable price. For more information, you can contact the Damatajhiz experts at the phone number: 021-88822550 during office hours.

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