Ultimate Guide to Types of Steam Boilers For Industry

There have different types of steam boilers designed to produce steam or hot water for industrial and commercial applications. A steam boiler is a closed vessel designed to hold water or other fluids and heat it to generate steam. The heat is typically produced by burning oil, gas, or coal as fuel, although other fuel sources can also be used. The generated steam can be used for various purposes, such as heating, power generation, or industrial processes.

When you try finding the right types of industrial boilers for you specific projects. You will face many questions below.

  • How many types of steam boilers are there?
  • What is the most efficient steam boiler?
  • What are the 5 type of industrial boiler and appreciations ?
  • How to choose the right type of steam boilers?

EPCB Boiler is the leading industrial steam boiler manufacturer and supplier with 70+ years of industrial experiences, we deliver industrial steam boilers with complete specifications at great factory price. In this article, let’s explore the most widely used type of steam boilers, their functions and applications. We hope it will help you to choose the right industrial steam boiler to fit your specific application.

1 What Is Industrial Steam Boiler? 

Industrial steam boilers are specially designed heating systems engineered to generate steam in industrial environments. They undergo specialized engineering to meet the demands of industrial processes, providing a reliable source of high-pressure steam for applications such as power generation, heating, and manufacturing.

1.1 The Function of Industrial Steam Boiler

The core function of an industrial steam boiler is to generate steam, providing essential thermal energy for various industrial processes. Industrial steam boilers consist of several components, including the furnace, boiler body, tubes, flue, and control system. These components work together in a coordinated manner, collecting the steam generated through combustion and distributing it to various areas of industrial production.

  • Steam boilers can drive steam turbines, providing power for the power generation industry.
  • In industries such as papermaking, construction materials, and food processing, steam boilers are used for drying, heating, and cooking.
  • In the medical and food processing industries, steam boilers are utilized for sterilization.
  • In the petrochemical and other industrial sectors, steam boilers are employed to heat raw materials, such as petroleum, to enhance their fluidity.

 1.2 Industrial Steam Boiler Application

Types of steam boilers for industry have a wide range of applications, covering key production and processing processes in power plants, chemical industries, textile printing and dyeing, manufacturing, heating, food and beverage processing, papermaking, and many other industrial sectors. These boilers play a crucial role in improving efficiency, reducing energy costs, and ensuring the safety of production processes.

EPCB boiler produce types of steam boilers, currently covering markets in Asia, the Americas, Africa, Oceania, and Europe, are present in dozens of countries and regions, spanning hundreds of industries. Particularly outstanding performance is observed in industries such as textile printing and dyeing, petrochemicals, manufacturing, and food processing. EPCB boiler are designed and innovatively tailored to meet the genuine value needs of customers, adapting to diverse local requirements across different industries.

2 How Many Types of Steam Boilers Are There?

From a steam boiler manufacturer’s view, there are 5 main types of steam boilers extensively employed in industrial applications. These include oil-fired steam boilers, gas steam boilers, coal-fired steam boilers, biomass steam boilers, and industrial electric steam boilers. EPCB Boiler stands out as a specialist in the custom design, fabrication, and installation of steam boilers.

EPCB Boiler specializes  in tailoring these types of steam boilers to the unique needs of various industries. Our commitment to customization ensures that our boilers meet the specific requirements of textile factories, paper mills, food processing plants, chemical facilities, rubber industries, garment manufacturers, and more. With a focus on quality, efficiency, and environmental responsibility, EPCB Boiler stands as a reliable partner in delivering tailored steam solutions for a wide array of industrial applications.

Types of Steam Boilers for Sale
Types of Steam Boilers for Sale

3 What Are The 5 Types of Steam Boilers?

Let’s delve into the characteristics and application of 5 types of steam boilers in industrial applications.

Oil Fired Steam Boiler:This type of steam boiler uses fuel oil, such as diesel or heavy oil, as its energy source.Fuel oil steam boilers have high thermal efficiency and a rapid heating speed, making them suitable for industrial applications that require quickly providing a large amount of steam.

Gas Steam Boiler:Gas steam boilers utilize natural gas, liquefied petroleum gas, or other gases as their energy source.Compared to fuel oil boilers, gas boilers have lower fuel costs, better environmental performance, and relatively simple operation and maintenance.

Coal Steam Boiler:Coal-fired boilers are a traditional type of steam boiler that uses coal as its energy source.With relatively low fuel costs, coal steam boilers are widely used in countries and regions abundant in coal resources.

Biomass Steam Boiler:Biomass boilers utilize various renewable biomass resources, such as wood waste and crop straw, as their energy source.Compared to traditional coal-fired boilers, biomass boilers offer better environmental performance and reduce dependence on finite coal resources.

Electric Steam Boiler. Industrial electric boilers use electricity to generate steam.These boilers are characterized by clean and efficient energy, ease of control, and regulation.Each type of steam boiler has its unique advantages and is suitable for specific industrial applications. The choice of boiler type depends on factors such as fuel availability, environmental considerations, and the specific requirements of the industrial process.

3.1 Oil Fired Steam Boiler

3.1.1 What is Oil Fired Steam Boiler

Oil fired steam boiler is a types of steam boilers that uses fuel oil (such as diesel, heavy oil, gasoline, etc.) as its fuel. This type of boiler is divided into vertical fuel oil steam boilers and horizontal fuel oil steam boilers.

3.1.1.1 Vertical Oil Fired Steam Boiler

Vertical oil fired steam boiler adopts a bottom-fired burner, a two-pass structure, ensuring thorough fuel combustion. The boiler operates stably, occupies less space, and incorporates baffles inside the smoke tube to slow down the exhaust speed, increase heat exchange, and enhance thermal efficiency. This design reduces user operating costs.

3.1.1.2 Horizontal Oil Fired Steam Boiler

This kind of boiler features a shell-type fully wet-back three-pass smoke-tube structure. Flames burn in a large combustion chamber with a slight positive pressure, ensuring complete combustion and low thermal load, resulting in high combustion thermal efficiency.

The adoption of corrugated furnace and threaded smoke tubes improves the boiler’s heat absorption capacity, meets the expansion needs of the heating surface due to thermal expansion, making it durable and energy-efficient.

3.1.2 Common Application Industries of Oil Fired Steam Boilers

  • Textile industries
  • Food industries
  • Chemical industries
  • Sugar industries

3.2 Gas Fired Steam Boiler

The structure of a gas-fired steam boiler is basically the same as that of an oil-fired boiler. The difference lies in the way the burner handles fuel. It is a steam boiler that uses gas combustion for heating. It uses gas combustion to generate heat, and transfers the heat to water through heat transfer to heat the water and generate steam.

3.2.1 Advantages of Gas Fired Steam Boiler

  • Gas-fired steam boilers have high thermal efficiency. Gas fuel is a relatively clean fuel. It produces relatively little waste gas during combustion, which reduces environmental pollution.
  • Gas-fired steam boilers can quickly start and stop in a short time, allowing them to provide instant steam when needed.
  • Gas-fired steam boilers can adapt to different load requirements and have strong flexibility. They respond quickly to load changes and provide the required heat.
  • Because gas steam boilers burn cleaner, they generally require less cleaning and maintenance.

3.2.2 Common Application Industries For Gas Fired Boilers

  • Textile industries
  • Food industries
  • Chemical industries
  • Sugar industries

3.3 Coal Fired Steam Boiler

A coal-fired steam boiler is a types of steam boilers that uses coal as fuel. It burns coal to heat water to a boiling state to generate steam. Among the coal-fired steam boilers produced by EPCB Boilers, chain grate boilers are the most popular.

3.3.1 Coal-fired steam boiler body structure:

Furnace: The furnace is the core part of a coal-fired steam boiler and is the space where fuel is burned. The inner wall of the furnace is made of refractory materials to withstand high temperatures. Coal burns in the furnace, transferring heat to the water.
Drum: The drum is the main part of the coal-fired steam boiler and is a cylindrical container. The inside of the drum is divided into two areas: the upper area is the steam area and the lower area is the water area.
Heating surface: The heating surface is the part of the boiler that absorbs heat and is usually composed of many neatly arranged convection tube bundles. The water inside the tube is heated by absorbing thermal energy from the outer wall of the tube and is converted into steam.

3.3.2 Advantages of Coal Fired Steam Boiler

Wide range of fuel sources: The fuel used in coal-fired steam boilers is coal. Coal resources are relatively abundant, which can ensure the stable operation of the boiler.
Stable operation: The structure of the coal-fired steam boiler is relatively simple, and the operation and maintenance are relatively convenient, which can ensure the stable operation of the equipment.
Strong adaptability: Coal-fired steam boilers are suitable for industrial production processes of various sizes and types, and can meet steam supply under different needs.

3.3.3 Coal Fired Steam Boiler Applications:

Coal-fired steam boilers are widely used in various industries, such as textile, printing and dyeing, chemical industry, food processing, papermaking, metallurgy and other industrial production fields. In these industries, coal-fired steam boilers are mainly used to provide the steam and heat required for production and promote the smooth progress of production. In addition, coal-fired steam boilers are also used in some heating and hot water supply situations.

EPCB Gas Steam Boiler Price Philippines
EPCB Gas Steam Boiler Price Philippines
EPCB Biomass Steam Boiler Thailand
EPCB Biomass Steam Boiler Thailand

3.4 Biomass Steam Boiler

A biomass boiler is a types of steam boilers that utilizes biomass energy as its fuel source. Belonging to the category of eco-friendly boilers, EPCB Boiler specializes in the production of biomass steam boilers. Among these, reciprocating grate boilers, chain grate boilers, and fixed grate boilers are particularly favored. These types of biomass boilers play a crucial role in promoting environmental sustainability and efficiently harnessing the energy potential of biomass, providing a reliable source of thermal energy for various industrial applications.

3.4.1 Biomass Boiler Structure

Grate:The grate is the core component for burning biomass fuel, effectively harnessing the thermal energy of the fuel. Common types of grates in biomass boilers include reciprocating grates, chain grates, and fixed grates. Among them, reciprocating grates have broader fuel adaptability but are relatively higher in cost.

Combustion Chamber:This is a cylindrical structure where the combustion of biomass fuel and hot gases occurs, ultimately storing the heat after passing through the heat exchanger. It is made of materials that do not suffer energy losses, with the inner surface coated with organic ceramics.

Drum:The drum is the main body of the biomass steam boiler, taking the form of a cylindrical container. The interior of the drum is divided into two zones: the upper zone, which serves as the steam zone, and the lower zone, which functions as the water zone.

Heating Surfaces:Heating surfaces are the parts of the boiler that absorb heat, typically composed of numerous neatly arranged convection tube bundles. The water inside the tubes absorbs heat from the outer tube wall, transforming into steam.

3.4.2 Advantages of Biomass Boiler

Low Operating Costs:Biomass boilers have the lowest operating costs among current boiler products. Utilizing fuels such as wood, they belong to a new type of environmentally friendly fuel and a renewable resource, providing cost-effective operation. This also adds an environmental advantage due to the use of renewable resources.

High Thermal Efficiency:In comparison to traditional coal-fired boilers, biomass boilers can achieve thermal efficiencies of over 80%. This high thermal efficiency contributes to energy savings and reduced environmental impact.

Safety and Reliability:Biomass steam boilers are equipped with multiple safety devices, including water shortage protection, anti-dry-burning protection, high-pressure warning, low-pressure warning, and more. These safety features enhance the overall safety and reliability of the boiler.

3.4.3 Application of Biomass Steam Boiler

The application scope of biomass steam boilers is extremely diverse and includes food processing, hospital sterilization, factory heating, greenhouse heating and ventilation for cultivation, hotel heating, and hot water supply. Additionally, they can be used as alternatives to oil and gas boilers, contributing to the reduction of energy consumption and pollutant emissions.

3.5 Industrial Electric Steam Boiler

Industrial electric steam boiler is a type of steam boiler that uses electricity as energy to generate steam through heating. Its structure usually includes the following parts:
The structure of the industrial electric steam boiler is simple. The furnace body is the main part of the boiler and is responsible for heating water and converting it into steam. The furnace body is usually made of high-temperature resistant materials, such as steel. The interior of the furnace contains an electric heating element that heats water through electric current.

3.5.1 Advantages of Industrial Electric Steam Boiler

Environmental protection: Because it uses electricity as energy, it does not produce smoke, dust, exhaust gas and other pollutants, and is harmless to the environment.
Efficient: Industrial electric steam boilers adopt advanced heating technology and control systems, which can quickly generate large amounts of steam and improve production efficiency.
Safe and reliable: Industrial electric steam boilers have multiple safety protection devices, such as pressure control, water level control, explosion-proof doors, etc., which ensure the safe and reliable operation of the boiler.

3.5.2 Industrial Electric Steam Boiler Applications

Industrial electric steam boilers have a wide range of applications. They can be used for steam required in the processing of industrial products such as textiles, printing and dyeing, papermaking, food, rubber, plastics, chemicals, medicine, steel, metallurgy, etc., and can be supplied to enterprises, institutions, hotels, etc. , schools, catering, service and other industries such as heating, bathing, air conditioning and domestic hot water.

Coal Fired Steam Boiler for Sale Philippines
Coal Fired Steam Boiler for Sale Philippines

4 What Is The Most Efficient Steam Boiler?

Among these five common types of steam boilers, which type of industrial steam boiler is the most efficient steam boiler?

The most efficient steam boiler depends on a number of factors, including boiler design, boiler quality, fuel type, and combustion technology.

Boiler design and manufacturing quality: Advanced design and high-quality manufacturing can improve the overall efficiency of the boiler. This includes advanced boiler body design, efficient combustion chamber configuration, and high-temperature and high-pressure resistant materials. EPCB boilers ensure safe and stable use by users from four aspects: raw material purchase, boiler structural design, production technology, and re-inspection of export boilers before leaving the factory. Energy efficient boiler system.

Fuel Type: Different types of fuel have different combustion characteristics and calorific values. Natural gas is generally considered one of the relatively clean and efficient fuels. In some areas, boilers can also use renewable energy sources such as biomass and biomass as fuel, thereby improving the environmental protection and sustainability of the boiler.

Combustion Technology: Advanced combustion technology, such as low NOx combustion technology, can reduce emissions and improve fuel utilization. When configuring the boiler system, choosing the latest model of combustion equipment can effectively improve the thermal efficiency of the steam boiler.

Intelligent Control System: The advanced control system can dynamically adjust boiler operating parameters according to actual needs to improve operating efficiency. This includes temperature control, pressure control, combustion adjustments, and more.

Waste Flue Gas Waste Heat Recovery: Through the waste flue gas waste heat recovery system, waste heat is used to preheat feed water, etc., which can significantly improve thermal efficiency.

Overall System Optimization: The integration of the boiler into the entire energy system is also a key factor. Comprehensively consider various components such as boilers, piping, insulation, and control systems to ensure efficient operation of the entire system.

When choosing the most efficient steam boiler, you need to consider these factors and may need to rely on information such as technical parameters, actual performance data and customer feedback provided by the manufacturer. When EPCB Boiler selects boiler systems for customers, it will select the most suitable steam boiler system for users based on their specific application needs and available energy types.

5 How To Choose The Right Types of Steam Boilers?

5.1 Factors for Right Types of Steam Boilers Selection

If you’re ready to get into production, it’s time to think about purchasing a boiler. Choosing the right type of steam boiler is a complex process involving multiple factors including fuel, application, boiler supplier/manufacturer, boiler brand, boiler service, experience, price and quality, among others.

Understand Application Requirements: Fully understanding your application requirements is a top priority. Consider factors such as the amount of steam that needs to be generated, operating pressure, temperature requirements, and duration. This helps determine appropriate boiler size and performance.

Efficiency Requirements: Consider the efficiency requirements you have for your boiler. An efficient boiler reduces operating costs and reduces environmental impact. Check out the efficiency parameters of different boiler models and choose the one that meets your requirements.

Boiler Suppliers/Manufacturers: View the reputation of suppliers or manufacturers. Choosing a company with a good reputation and history will likely provide more reliable products and services.

Boiler Brand: Some well-known brands may offer more reliable and high-performance products. Checking user reviews and industry ratings can help you understand a brand’s reputation.

Emission Standards: Make sure the boiler you choose meets local and national emissions standards. This involves the treatment and control of exhaust emissions.

Budget and Operating Costs: Consider the purchase cost of the boiler, installation costs, and operating and maintenance costs. Generally speaking, more efficient boilers usually have a higher purchase cost but may be more economical in the long term.

Maintenance and Service Support: Consider the manufacturer’s reputation, after-sales service support, maintenance costs, and easy availability of spare parts. Reliable after-sales service is essential to ensure long-term and efficient operation of your boiler.

Energy Efficiency: Consider overall energy efficiency, including waste heat recovery and other energy optimization measures to further improve the overall efficiency of the system.

Manufacturing Quality: Review the manufacturer’s quality control processes and product certifications to ensure product quality.

When choosing the right type of steam boiler, it is best to consult a professional engineer or boiler manufacturer to ensure it meets your specific needs and requirements. EPCB Boiler provides this service for free. Before purchasing the boiler system, we will develop a unique boiler system solution based on the user’s actual needs. This will help ensure that the selected boiler has the best performance, reliability and economy. able to meet expectations.

5.2 Importance of Choosing Right Types of Steam Boilers

Choosing the right type of steam boiler is crucial for different industries as it directly affects production efficiency, energy costs, environmental compliance and equipment reliability. As a boiler manufacturer with more than 70 years of production experience, EPCB Boiler has rich experience in boiler selection. In some different industry backgrounds, it is very important to choose a suitable model of steam boiler. The following is the boiler selection situation in common industries:

5.2.1 Industrial Manufacturing

In the field of industrial manufacturing, production processes often have strict requirements for energy efficiency, stable steam supply and reliability. Choosing the appropriate EPCB model steam boiler can help increase production efficiency, reduce downtime and reduce energy costs.

Recommended selection: EPCB Boiler’s gas steam boiler or chain grate biomass steam boiler is suitable for different industrial manufacturing applications, with high efficiency, stable operation and intelligent control.

5.3.2 Hotel and Catering Industry

In the hotel and catering industry, reliable, efficient steam boilers are needed to meet kitchen, washing and heating needs. At the same time, energy conservation and environmental protection are also key concerns.

Recommended selection: EPCB Boiler’s gas (oil) steam boiler is suitable for small catering businesses and features a compact design and high efficiency.

5.3.2 Chemical Industry

In the chemical industry, production processes may require steam at high temperatures and pressures. Therefore, choosing an appropriate model of steam boiler is crucial to ensure the stability and safety of the process.

Recommended selection: EPCB Boiler’s double-boiler gas (oil) steam boiler is suitable for large-scale chemical industry applications, with high efficiency, low emissions and safety performance.

5.3.3 Textile Industry

The textile industry has strict requirements for a stable supply of steam to support production processes such as dyeing, finishing and weaving. High-efficiency steam boilers help improve production efficiency.

Recommended selection: EPCB Boiler’s electric steam boilers are suitable for small-scale textile industries and feature fast start-up and high efficiency.

5.3.4 Medical Industry

In the medical industry, steam is widely used for sterilization and heating. For these applications, boiler stability and reliability are critical to the proper operation of medical facilities.

Recommended model: EPCB Boiler’s electric steam boiler is suitable for the medical industry, providing high-temperature and high-pressure steam, suitable for sterilization and other needs.

When selecting an steam boiler produced by EPCB Boiler , it is recommended to communicate with the manufacturer for customized recommendations based on specific industry needs, process flow and budget. EPCB Boiler’s product series covers different energy types, scales and application scenarios, with good performance and reliability.

6 Summary

Choosing the right types of steam boilers is the most important decision to make you steam supply efficiently and effectively. So it is very important to understand different types of steam boilers on the market.  The right type of steam boilers depends on the specific needs of the application, and factors like fuel availability, brand reputation, installed boilers, service, space constraints, price or budget. 
As the one of the largest industrial steam boiler manufacturers and suppliers, EPCB is trusted by 12,000+ boiler customer among various industries. In this article, we explored the most common 5 types steam boilers and how to choose the right steam boiler for industrial application. We hope it can help you a lot.
At EPCB steam boiler, the expertise team try its best to support you with best boiler solutions. for we are the Any questions or inquiries, please contact EPCB Boiler.
Than you for reading.

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