Boiler Economizer

Boiler Economizer For Sale At Best Price

  • Various Boiler Economizer Size Available
  • Compact Structure
  • High Quality, High Efficiency
  • OEM/ODM Are Available
  • Best Factory Price


Boiler economizer is the boiler equipment that decrease fuel consumption for a given steam demand, reducing costs. They alleviate thermal stress in the boiler, while increasing the heat transfer surface area within the system. This enhances energy efficiency, minimizes strain on the boiler, and optimizes heat exchange. Economizers are a valuable component for achieving fuel savings, mitigating stress, and maximizing performance in boiler operations.

An an boiler economizer manufacturer, EPCB Boiler designs and manufactures high performance boiler economizer with custom size and specification at best price.  

1. What Is A Boiler Economizer?

A boiler economizer is a heat recovery device installed on the flue gas stack of a boiler system to capture and utilize waste heat. Its main purpose is to recover energy that would otherwise be lost, significantly improving energy efficiency. Economizers can be installed during initial boiler setup or retrofitted onto existing systems.

Choosing the right size and design of economizer is crucial for optimal system performance. Each economizer should be tailored to a specific boiler application. It’s important to evaluate the predicted performance of a new economizer based on the actual flue gas temperatures of the boiler. Compare different economizers based on the manufacturer’s guaranteed duty or guaranteed stack temperature. A lower stack temperature indicates more heat recovery, while a higher duty signifies better performance. It’s worth noting that reducing the stack temperature by 5 degrees can save approximately 1% on fuel consumption.

An appropriately sized and efficient economizer in an boiler can maximize energy savings and minimize environmental impact. Careful consideration and evaluation of economizer performance will help optimize fuel efficiency and overall system operation.

industrial boiler economizer
boiler economizer manufacturer

2. What Is The Purpose of The Boiler Economizer?

An boiler economiser plays a crucial role in boilers by acting as a heat exchanger that preheats the boiler feed water. Its primary function is to recover waste heat from the hot flue gases before they are expelled into the atmosphere. This heat recovery process significantly contributes to improving boiler efficiency.

The economizer can effectively utilizing the exhaust gas from the boiler,  and efficiently transfers the heat to the boiler feed water, resulting in substantial fuel savings. At EPCB Boiler, we understand the importance of providing tailored solutions to our customers. That’s why we offer a diverse range of economizers to cater to the specific requirements of each user.

You should carefully consider the unique conditions and needs of our customers when selecting an economizer. This enables us to deliver an economizer that not only maximizes energy efficiency but also achieves optimal fuel savings. Our aim is to provide the most suitable economizer option that aligns with the specific demands of our users, thereby optimizing the overall performance of their boiler systems.

Implementing an economizer from EPCB Boiler ensures that waste heat is effectively recovered and utilized, leading to reduced fuel consumption and improved operational efficiency. We are committed to delivering high-quality economizers that enhance energy efficiency and contribute to sustainable and cost-effective boiler operations.

2. How Does Boiler Economizer Work?

Boiler economisers recover heat from a boiler’s flue gases. They are positioned in the flue gas path, after the boiler and before the chimney or stack. As the hot flue gases exit the boiler, they pass through the economizer, where tubes or finned surfaces provide a large surface area for heat transfer. The heat from the flue gases is transferred to the economizer’s tubes or fins, preheating the incoming feedwater or combustion air and reducing the energy required. By capturing heat that would otherwise be lost, economizers enhance boiler efficiency and save energy. Regular maintenance is crucial for optimal performance. Here’s a typical operation of a boiler economizer:

2.1 Flue Gas Recovery

The economizer is installed in the flue gas exhaust stack of the boiler, capturing the remaining heat in the flue gases, which are still at a high temperature.

2.2 Heat Exchange

Inside the economizer, there are tubes or coils through which the cooler feedwater flows. The hot flue gases pass over these tubes, transferring heat from the gases to the feedwater. This raises the temperature of the feedwater.

3.3 Feedwater Preheating

The preheated feedwater is then supplied to the boiler. This preheating process reduces the energy needed to bring the water to the desired operating temperature, improving overall boiler efficiency.

3.4 Fuel Consumption Reduction

With the feedwater preheated, the boiler requires less fuel to heat the water to the desired temperature. This leads to fuel savings and decreased operating costs.

3.5 Emissions Reduction

By reducing fuel consumption, boiler economizers can help lower greenhouse gas emissions and minimize the environmental impact associated with boiler operations.

Boiler economizers are an effective solution for improving boiler efficiency, reducing fuel consumption, and lowering operational expenses in various industrial and commercial boiler systems.

an economiser in a boiler
Boiler Economizer Price

5. What Is The Difference Between A Boiler And An Economizer?

In a boiler system, a boiler and an economizer play distinct roles. The primary function of a boiler is to generate steam by heating water. It utilizes fuel or energy sources to produce high-pressure steam for various applications. On the other hand, an economizer serves as a heat recovery device within the boiler system. It captures and utilizes waste heat from the flue gas as it exits the boiler. This recovered heat is then employed to preheat the boiler feed water before it enters the boiler, resulting in enhanced energy efficiency and fuel savings.

While the boiler focuses on steam generation, the economizer optimizes the overall efficiency of the system by utilizing waste heat. By working in tandem, the boiler and economizer form a synergistic relationship that maximizes the performance and productivity of the entire boiler system. The boiler generates the necessary steam, and the economizer minimizes energy waste by recovering heat that would otherwise be lost.

Understanding the distinction between a boiler and an economizer highlights their complementary functions. Together, they contribute to improved energy efficiency, reduced fuel consumption, and cost savings. This knowledge enables the efficient design and operation of boiler systems, ensuring optimal utilization of resources while meeting the steam requirements of various industrial processes.

6. How Does An Economizer Improve Boiler Efficiency?

Economizers are positioned in the flue gas path between the boiler and chimney. They function based on the principle of heat exchange, utilizing the boiler flue gases to pre-heat the incoming boiler feed water. By doing so, they minimize the energy needed to raise the temperature of the feed water to the desired operating level.

The operation of an economizer involves the transfer of heat from the hot flue gases to the colder boiler feed water. Inside the economizer, there are tubes or fins that provide a large surface area for efficient heat transfer. As the flue gases pass over these surfaces, heat is transferred to the water, raising its temperature.

By capitalizing on the waste heat present in the flue gases, economizers contribute to energy savings and increased boiler efficiency. The preheated feed water requires less energy input from the boiler to reach the desired temperature, resulting in reduced fuel consumption and operating costs.

Installing economizers in boiler systems is a practical and cost-effective measure to enhance energy efficiency. They enable the recovery and utilization of heat that would otherwise be wasted through the chimney. By reducing the energy demand for heating the feed water, economizers play a crucial role in optimizing the overall performance and sustainability of boiler operations.

About EPCB Boiler

As the leading industrial boiler manufacturer and supplier, EPCB Steam Boiler delivers complete line of best quality products and solutions to worldwide customers.

If you have any problems or inquiries, don’t hesitate to contact us.

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