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This section provides an overview for boiler economizers as well as their applications and principles. Also, please take a look at the list of 14 boiler economizer manufacturers and their company rankings. Here are the top-ranked boiler economizer companies as of December, 2024: 1.Babcock & Wilcox, 2.DHB Boiler, 3.SAPTAM CORPORATION.
Table of Contents
A boiler economizer is a heat exchanger that recovers heat from combustion gases in boilers, which use combustion heat to generate steam. Typically used in steam boilers that combust fuels like oil, coal, or gas, these economizers heat water to generate steam.
Also known as "coal economizers," these devices are named for their ability to conserve coal in coal-fired steam boilers.
Boiler economizers are primarily used to preheat the feed water to steam generators. Their advantages include reducing heat loss in combustion gas, thereby improving boiler efficiency. For instance, a 20°C recovery in combustion gas temperature can enhance boiler efficiency by approximately 1%. They also help in decomposing gases in feed water, reducing thermal stress in drum-type boilers.
Apart from boilers, economizers also find use in recovering heat from diesel engine exhaust gases to generate steam, beneficial for diesel generators and marine engines.
A steam boiler comprises several heat exchangers, including the economizer, which recovers heat from combustion gases. The key components include:
Generates high-temperature, high-pressure steam from recovered heat, used in power plants to drive turbines for electricity generation. -
Reheats steam post-turbine rotation for use in medium or low-pressure turbines.
Recovers additional heat energy from combustion gas to preheat water supplied to the superheater, thereby boosting boiler efficiency.
Includes parallel flow, counter-current flow, and mixed-flow types, with counter-current offering the highest efficiency.
Divided into non-evaporative (common in economizers) and evaporative types. Non-evaporative economizers keep the feed water temperature below saturation at the outlet, while evaporative types partially heat water to evaporation.
Boiler economizers generally comprise steel tubes, either bare or finned, arranged for continuous water flow from inlet to outlet. These tubes are often U-shaped for efficient heat transfer.
Standards: Relevant standards include JIS B0126 (Glossary of terms for thermal power plants-Boilers and auxiliary equipment) and JIS B8201 (Steel boilers for land use-Stationary steel boilers-Construction).
*Including some distributors, etc.
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Super Boiler, established in 1917 and based in Hutchinson, Kansas, is a manufacturer of Scotch Marine firetube and condensing boilers. The company also manufactures various other products, such as boiler room equipment for hot water, recovery of waste, and steam processing. The company uses vessels to make small-footprint boilers that meet the ASME boiler code standards. The boilers produced will be used in commercial steam and hot boiler applications. The company also has other products, such as firebox boilers, high-efficiency condensing boilers, domestic hot water boilers, and biomass boilers.
Babcock Wanson, established in 1929 but founded in 1898 in Chevilly-Larue, France, is a manufacturer of industrial boilers. It traces its lineage to two iconic industrial endeavors, Babcock and Wilcox and the Wanson group. Its comprehensive product lineup includes steam boilers, thermal fluid heaters, rapid steam generators, hot water boilers, and odor treatment via thermal oxidation. These boilers find multifaceted applications across industries, serving as a cornerstone for steam generation in manufacturing and power generation, hot water production for diverse buildings and facilities, precise process heating spanning various sectors, and environmental solutions for waste heat recovery and pollutant control.
ATTSU Térmica is based in Girona, Spain, and is a manufacturer of industrial heaters and boilers that was established in 1993 following the merger of the companies Tecnivap, Teyvi, and Arcones. The company produces thermal oil boilers for heating thermal fluid systems, electric steam generators for sustainable steam-powered systems, and steam boilers for standard industrial applications. It also offers co-generation plants for simultaneous production of heat and electricity, along with equipment rental and maintenance services. The company is certified to ASME S and CE standards, and serves a wide range of clients throughout Spain’s industrial sector.
Cleaver-Brooks is a manufacturer of boiler room systems established in 1929 and based in Thomasville, Georgia, USA. The company’s product lineup includes firetube and watertube boilers, boiler room control systems for maintaining operational efficiency, and heat recovery systems for salvaging and reusing heat from boilers. It also offers exhaust equipment for managing boiler exhaust gasses, and provides onsite servicing for its portfolio products. The company mainly serves clients in foundry, energy production, and refinery operations.
Alfa Laval Corporate AB was founded in 1883 and headquartered in Lund, Sweden. Alfa Laval serves energy, utilities, home, personal care, food, dairy, beverage, marine, transportation, pharmaceutical, biotech, water, and wastewater industries. Alfa Laval provides heat transfer, separation, and fluid handling products and solutions worldwide. Alfa Laval operates in three divisions: Energy, Food & Water, and Marine. Alfa Laval offers oil & gas-fired steam and composite steam boilers, exhaust gas economizer, and ballast water treatment systems, and exhaust gas cleaning products. Alfa Laval also provides sensing and control, cleaning validation, condition monitoring, agitators, tank, powder mixers, fittings, and tubes, as well as wall mounted cleaning nozzles, rotary jet and heads; and tank accessories and covers.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Babcock & Wilcox |
25.0%
|
| 2 | DHB Boiler |
12.5%
|
| 3 | SAPTAM CORPORATION |
12.5%
|
| 4 | Jinan Yuanda Power Equipment Co.,Ltd. |
12.5%
|
| 5 | Cleaver-Brooks |
12.5%
|
| 6 | ATTSU Térmica S.L, |
12.5%
|
| 7 | Babcock Wanson |
12.5%
|
Derivation Method
The ranking is calculated based on the click share within the boiler economizer page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
1 | 33.3% |
|
France
|
1 | 33.3% |
|
Spain
|
1 | 33.3% |
