Types of Steam Boilers

Steam boilers are essential systems in industrial facilities where thermal energy is required in the form of steam. Depending on usage area, fuel type, and capacity, various steam boiler models are manufactured to meet different process needs. Below are the most common types used across industries:

Liquid and Gas-Fired Steam Boiler

These boilers run on fuels such as natural gas, LPG, fuel oil, or diesel. They offer clean combustion, high efficiency, and fully automated control systems with low emissions.

Solid Fuel Steam Boiler

Designed to operate with coal, wood, biomass, or similar solid fuels. Often preferred where fuel cost is a critical factor. Can be manually or automatically fed.

Scotch Type Steam Boiler

A fire-tube boiler with a compact structure. Known for its low maintenance and high thermal efficiency. Common in the food, textile, and hospitality industries.

Stoker-Fired Steam Boiler

A solid fuel boiler with an automatic feeding system. Provides continuous, even combustion and reduces manual labor while increasing overall efficiency.

Natural Gas-Fired Steam Boiler

Among the cleanest and most environmentally friendly systems. Offers quiet operation, low CO₂ emissions, and full automation.

Rotary Grate Steam Boiler

Equipped with a rotary grate for better combustion of biomass or low-calorific solid fuels like nutshells or olive pomace. Ideal for alternative fuel use.

Wood-Fired Steam Boiler

Utilizes wood waste and firewood. Economical for small and mid-sized businesses. Requires regular ash cleaning and maintenance.

Coal-Fired Steam Boiler

Designed for lignite or hard coal. Delivers high thermal power, ideal for energy-intensive production environments.

Diesel Steam Boiler

Portable and often used as backup. Delivers quick, efficient heat and is widely used in mobile or emergency applications.

D-Type Steam Boiler

A water-tube boiler with large steam capacity, designed for high-pressure operations. Space-efficient and used in power plants or large-scale applications.

Water Tube Steam Boiler

Water circulates inside the tubes while the hot gases surround them externally. Known for high-pressure and high-temperature capabilities, widely used in heavy industry.

Twin Furnace Steam Boiler

Contains two combustion chambers to increase total steam output. Used where there’s high and continuous steam demand, such as in textile or process industries.

Why Choosing the Right Boiler Matters

Selecting the right steam boiler ensures better energy efficiency, reduced operational costs, and higher system reliability. Capacity, fuel type, safety features, and maintenance accessibility must all be evaluated.

At Ekotek Heat Technology, we offer a wide range of custom-designed steam boiler models, providing sustainable, high-performance solutions tailored to your industrial needs.