zozen boiler
Home Service FAQs FAQ of coal-fired boilers What is the function of coal-fired boiler economizer?

What is the function of coal-fired boiler economizer?

01 Apr 2022

coal-fired boiler economizer, as its name implies, is a boiler device to save energy. The structure of coal-fired boiler economizer is relatively simple, which is mainly composed of all stainless steel 304 frame and stainless steel spiral finned tubes, all of which are arranged in a certain order.

According to the power, size and price of the boiler, the boiler economizer adopts different materials such as stainless steel and ND steel. According to the medium, coal-fired boiler economizer is mainly divided into coal-fired boiler economizer with flue gas-hot water waste heat recovery, coal-fired boiler economizer with flue gas-heat conduction oil waste heat recovery and coal-fired boiler economizer with flue gas-air heat exchange.

The principle of coal-fired boiler economizer is that the flue gas from the tail of the boiler enters the economizer, and the water (or air) in the economizer absorbs the temperature in the flue gas through the finned tube, and then returns to the boiler, which is equivalent to increasing the feed water temperature (furnace temperature) of the boiler, and reducing the energy consumption when the output of the boiler is constant.

Coal-fired boiler economizer is generally equipped at the tail of the boiler. Due to the difference in principle and equipped boiler, there are many names, such as boiler economizer, air preheater, condenser and so on. ZOZEN provides its own coal-fired boiler economizer for customers. The heating area is carefully calculated, the quality is guaranteed, and the thermal efficiency of the boiler system is higher.

Related FAQs View More
Related news View More
  • ZOZEN Boiler Supports Green Development of Enterprises in Zhejiang with Low Nitrogen Emission Advantages
    Zhejiang Province has always prioritized ecological and environmental protection as a fundamental aspect of its development, continuously promoting energy conservation, emission reduction, and green transformation in the industrial sector. In this process, ZOZEN Boiler has established itself as a reliable partner for numerous enterprises in Zhejiang by leveraging its long-standing expertise in low nitrogen emission technology. Its service cases span various fields, including chemicals, energy, t...
    30 Sep 2025
  • Specialty Lubricants Company Installs ZOZEN Boiler 4 Million Kcal Gas-Fired Thermal Oil Heater
    Recently, the 4 million kcal YQW series gas-fired thermal oil boiler introduced through the cooperation between Hangzhou Derunbao Oil Co., Ltd. and ZOZEN Boiler has been installed and is currently in the commissioning stage. Centered on the design concepts of high efficiency, intelligence, and safety, this project has had a positive impact on energy saving, consumption reduction, and optimization of plant space layout. Strong Partnership Between Hangzhou Derunbao and ZOZEN Boiler   Ent...
    23 Sep 2025
  • Under Hubei’s Environmental Policies, ZOZEN Boiler Powers Enterprises’ Green Upgrades
    In 2025, Hubei Province continues to intensify efforts in ecological and environmental protection, fully implementing the pollutant discharge permitting system and shifting from dual control of energy consumption to dual control of carbon emissions. This series of policies defines a clear pathway for the green development of industrial enterprises. Against this backdrop, ZOZEN Boiler, leveraging its technological strengths and targeted solutions, has become a key partner in the green transformat...
    16 Sep 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity