zozen boiler
Home Service FAQs FAQ of coal-fired boilers How to prevent the coking on the furnace wall of the coal-fired boiler?

How to prevent the coking on the furnace wall of the coal-fired boiler?

13 Nov 2020

The coal-fired boiler has low fuel costs and high calorific value, which is a kind of important auxiliary heating equipment in the production-oriented enterprises. However, the coking on the furnace wall is common in the operation of the coal-fired boiler.

The prevention measures for the coking of the coal-fired boiler

1) Air volume. Reasonable air volume can promote the sufficient combustion of coal and reduce the coking of boiler.

2) Furnace temperature. Distribute the air supply reasonably, optimize the fuel combustion and monitor the flue gas temperature at the furnace outlet.

3) Pulverized coal fineness. Select the pulverized coal with an appropriate fineness.

4) Coal type selection. The coal blending can reduce the ashing and coking characteristics of coal.

Related FAQs View More
Related news View More
  • ZOZEN Biomass Boiler Revitalizes the Plastic Foam Industry
    As global attention toward sustainable development intensifies, green and eco-friendly practices have become the main theme across all industries. For traditionally high-energy, high-emission sectors, technological innovation is essential to achieve clean production and unlock new growth. The plastic foam industry, a vital part of industrial manufacturing, has long faced the dual challenges of high energy consumption and environmental pressures. The emergence of biomass boilers offers a new gree...
    17 Jun 2025
  • ZOZEN Boiler Supports Poultry Farms in Kyrgyzstan
    With the ongoing advancement of the “Belt and Road” Initiative, economic and trade cooperation between China and Kyrgyzstan has become increasingly close. In February 2025, the two countries announced the launch of negotiations on a service trade and investment agreement, injecting new momentum into their bilateral collaboration. Against this backdrop, Chinese industrial equipment is making its way into Kyrgyzstan, helping local businesses grow—ZOZEN Boiler stands out as an exe...
    10 Jun 2025
  • ZOZEN Boiler Showcases Multi-Dimensional Energy Solutions at Serbia’s TOPS 2025 Scientific Symposium
    From June 2 to June 3, 2025, the TOPS 2025 Scientific Symposium, hosted by the Serbian Heating Association, was held in grand fashion. As one of the most influential events in the European heating industry, it attracted leading international brands such as Weishaupt, Bosch, and KSB, with a collective focus on cutting-edge technologies in gas and biomass boilers. In light of rising energy costs, biomass boilers, with their outstanding cost-saving potential, became a hot topic of discussion. As th...
    11 Jun 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity